MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It functions as a link farm, containing numerous URLs that point to compromised WordPress upload directories and other disposable hosting, likely serving as a distribution point for further malicious content. The presence of multiple distinct hosts and the use of 'utm_term' parameters suggest an effort to obscure the true malicious intent and potentially evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/9751b81df907c3edd6906b89fb1e6dc7/jixefugewe.pdf In PDF document text
- http://abpaluso.com/upload/file/23742533424.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b2de192cac8---34021784949.pdfIn PDF document text
- https://aymfly.com/aym_image/files/42282088867.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ee2ab340c---mokilupiripi.pdfIn PDF document text
- http://lucann.com/Upload/file/9064669362.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/gk3opetcc3nfpfd61lvas8g5fb/nujimidovov.pdfIn PDF document text
- http://cy2hand.com/userfiles/gozabumesagowev.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d455f005b6---towewusigot.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f7558792e---10340380830.pdfIn PDF document text
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/139bca5ea0212f02a269687c29ddcab6/9702052573.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//pewusasovefodulujomul.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078922a62eae---29838309343.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-6-22/20210622161756664553.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/s5j6teg26788lf7mu3b4v56stp/tanipizepajudidibu.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e1317895f2b---faruxid.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/8838ddda335e2bb681e9988d3064ddfd/38995778308.pdfIn PDF document text
- http://hitecds.com/userfiles/file/56801383862.pdfIn PDF document text
- http://nacyc.jp/Upload/file/10467565016.pdfIn PDF document text
- https://ka-base.no/images_content/file/58803663673.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01f7aca5fc---3843343419.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/40e97f26cfe7765770fbe5c564b1bc32/gaxegapabapasu.pdfIn PDF document text
- http://immobilieninvestors.de/userfiles/file/xesirevadexosazegawika.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+many+ounces+in+32+quartsPDF 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_off0000e723.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE723 | 16708 bytes |
SHA-256: 36508a0dec26858f862f422d8c3b05dcb4a10352dad2821b1113cedad60da52a |
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font_01_sfnt_off0001128e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1128E | 11072 bytes |
SHA-256: 440d5d764a87659e833138b289b6cfebf737c59d1b4b692cc0bc7953c5496886 |
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font_02_sfnt_off00012c83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C83 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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