MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm hosted on compromised WordPress sites, likely intended to lure users into clicking through to malicious content. The presence of multiple distinct hosts and a high number of links suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb0713f9e3---juvav.pdf In PDF document text
- http://nebovsem.ru/app/webroot/files/files/xiwaxowisazezudi.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae48a6319e9---xuxopivokaduloniboluver.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/31491619354.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b98a394d1b3---25015369366.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/a3dd1f3a273c4102342d5cab6884d8fd/mufarogadapitawabunaxiges.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a15c5b28cd---zusukiforudipobuwexegek.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/ivpkrrd24b6ho0vvdab9o95k8u/zovobamataruj.pdfIn PDF document text
- http://haileylusk.com/clients/e/e6/e6412a3df854040bfb282c4f37eddf02/File/18342036264.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160cb9e67d4b11---24125371595.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/digonulelizeni.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/49981088707.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/8dtl4eubd18b4at4vvnfeibne2/selazafiwoxojisiwiv.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/2nqr1gt4hs5se80qoe3t7bu1l0/42787002322.pdfIn PDF document text
- https://paklya.su/design/img/upload/file/nubatinusuladomife.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/3e83ca8de27d07fdba34e92e1c103571/83757146251.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/chmc2p37shsfvi0l76kjjerddc/6958524105.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/7ab41e1c0c714031608ec668454ee992/71116746474.pdfIn PDF document text
- https://diaspoassur.com/wp-content/plugins/super-forms/uploads/php/files/ff5d220b50a30c8b103f056ede3ebbcd/musavugasebog.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609458ac7c37d---zadabukusaxisewem.pdfIn PDF document text
- http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/4h5mmtieaa1e015uqlj7ctkfv5/46916027249.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/09bbc2418a927b3abe74957357cf4291/41154574693.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/b7b684683c18dd8f1fda3f6d61c58dae/21434088678.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a936ca30efe---7926807636.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/0fecca8d6ac8af1ca6fb78fff711f4c7/299819605.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=weapons+of+legacyPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB69 | 10472 bytes |
SHA-256: 7e99cafd33653e4e50b3350452382ed8581079567e7d20a83f2102cca05fedc0 |
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font_01_sfnt_off00010369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10369 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B7B | 16932 bytes |
SHA-256: 35dfb396c21b8c303ad272af9126b43a2912a5fd839e840b444fd689b2d972e4 |
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