MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting it's part of a link farm used for phishing or distributing further malware. The presence of multiple distinct hosts and link farm heuristics indicates a deliberate effort to obscure the final destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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 https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/e6c66eab68a03bbfb607cedd3f8d7c6b/konepigizututibewa.pdf In PDF document text
- http://chromowane.com/userfiles/file/68067410515.pdfIn PDF document text
- https://iword.de/userfiles/file/29981469832.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/m9h735hhuakq8usc7668fqg122/17127273180.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609429949ee31---90843006426.pdfIn PDF document text
- http://hutbephottaihaiphong24h.com/upload/files/lapupafegop.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c2f23aa335a---22376493911.pdfIn PDF document text
- https://northcoteplaza.com/userfiles/file/woraserupetipizabamekufol.pdfIn PDF document text
- http://retroldn.com/userfiles/file/nojaxilakuwogig.pdfIn PDF document text
- https://xn--faades-mtal-n9a6a.ch/ckfinder/userfiles/files/30295852158.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b52f5c0cd76---94675289497.pdfIn PDF document text
- http://ewtch.com/upload/files/15960146670.pdfIn PDF document text
- https://soechi.net/userfiles/file/48318090662.pdfIn PDF document text
- http://lbhs1965.com/clients/6/6b/6bdd8f708684a1f547efbf97e1630fe5/File/gozoxidivasuzez.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f9fe2d62a---xesibupox.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160abf39d149de---74956112169.pdfIn PDF document text
- https://techson-cctv.com/upload/file/57834015179.pdfIn PDF document text
- https://hosvagyok.hu/userfiles/file/71853973639.pdfIn PDF document text
- http://theettiaresottawa.ca/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/74553988786.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609fde4c6a602---fiwaso.pdfIn PDF document text
- http://thuduchouse.vn/pics/file/kevafozunirubidipajisaka.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/246893adae926623b68a4c57320c2f3e/gavawa.pdfIn PDF document text
- http://anjilh.com/uploadfile/file///2021042906210867.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/0tdvl75lkd92oihv2bu69jqqvl/80975839302.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=shrimp+tacos+with+pineapple+salsaPDF 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_off0000f511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF511 | 10800 bytes |
SHA-256: e84cbf95d233fba08d80c952ae21aa8ec2fe39e1ae55a35af9eb04c2b325306b |
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font_01_sfnt_off00010dcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DCC | 17788 bytes |
SHA-256: d468975a97e777924cada09c25b65e2c693e3ee67534bce04774c9525a5ce267 |
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font_02_sfnt_off00013c77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C77 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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