MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised WordPress installations. The presence of numerous URLs, many with 'utm_term' parameters, suggests an attempt to lure users with deceptive content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://oniceh.ru/uplcv?utm_term=mil+gps+app+for+android PDF link annotation
- http://polishingmarblefloor.it/userfiles/files/xeborovekopotovisabage.pdfIn PDF document text
- http://lica-mpt.it/userfiles/files/21404941086.pdfIn PDF document text
- http://mobiliteit.nu/files/29143495542.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/lojitag.pdfIn PDF document text
- http://homeopathyhongkong.org/files/kudujelojinolomevujupeweg.pdfIn PDF document text
- http://villabrown.it/userfiles/files/9142394709.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16139810ae5197---7424502037.pdfIn PDF document text
- http://trieuduong.com/images/Download/36528822741.pdfIn PDF document text
- https://www.borzabadi.com/ckfinder/userfiles/files/nelaxoduw.pdfIn PDF document text
- http://arsvet.ru/img/upload/90639137928.pdfIn PDF document text
- http://bhk-aindling.de/userfiles/files/45524915832.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/26513835078.pdfIn PDF document text
- https://megashina24.ru/files/files/wavobobodinijib.pdfIn PDF document text
- https://sapporopools.com/contents/files/13255017528.pdfIn PDF document text
- http://chistogood.ru/admin/ckfinder/userfiles/files/gazotojane.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383a11448be---93460137949.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/situf.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16135dc71234a2---91908363738.pdfIn PDF document text
- https://badrivishal.com/media/bokis.pdfIn PDF document text
- http://wxdyzs.com/userfiles/files/39251324761.pdfIn PDF document text
- 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_off0000e4cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CB | 17168 bytes |
SHA-256: 27a0333b9f43fd7bf76fb248f5c2e7c56fef1bd88a1c2f35063b1048e9a10f38 |
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font_01_sfnt_off00011132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11132 | 10436 bytes |
SHA-256: b771c89ee9be864e198ac0e2b01581733d885b2187f7be36d4624c5a3a3971a2 |
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font_02_sfnt_off000128b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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