MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicate this. The embedded URLs, such as 'https://zajinet.ru/award?keyword=cara+scan+pdf+canon+lide+110', are likely part of this scheme to drive traffic to malicious or spam content. The ML classifier and ClamAV detection further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://zajinet.ru/award?keyword=cara+scan+pdf+canon+lide+110 PDF link annotation
- http://xelamoxadavas.mywebcommunity.org/rifusokaxivetoxazokewujo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379987/normal_5ff80cbc090f0.pdfIn PDF document text
- http://xebupado.mypressonline.com/20096772187.pdfIn PDF document text
- https://cdn.sqhk.co/vutexexukus/hihfY8Y/39977706011.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369330/normal_5fd7ba85ab2c5.pdfIn PDF document text
- https://cdn.sqhk.co/megopofe/d8OEQjg/64500767382.pdfIn PDF document text
- http://kawafopi.mygamesonline.org/66970105846.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486193/normal_5fd153364b3d6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420903/normal_602ea76c8c3bc.pdfIn PDF document text
- https://cdn.sqhk.co/bajafigotuvi/ti57Wij/84538202693.pdfIn PDF document text
- https://cdn.sqhk.co/pininipata/db8icjJ/smashy_road_online_free.pdfIn PDF document text
- https://cdn.sqhk.co/lejesapazud/jbhi1ji/amsco_ap_us_history_review_book.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/f88f30c2-af41-449b-b214-8bddbf6d19fc/sp_racing_f3_acro_osd.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bdaa2e72-6b24-4cb9-9017-3cea642559d9/how_do_you_use_detox_organic_apple_cider_vinegar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a6d2ed4b-828b-44c6-b4c5-41c179bab5f7/54304980356.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c15ecca9-734c-4119-a876-0e7868c9ab88/47550410176.pdfIn PDF document text
- https://ef9935f7-a918-44a1-999f-f1d50a45e4a7.filesusr.com/ugd/b463f2_7690d0c569e94d318799c285119c8d07.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/461d919c-8916-4376-9639-7b0b88221292/hp_officejet_h470_replace_ink_cartridge.pdfIn PDF document text
- https://737bf953-b780-43bc-8af0-312ed5328a40.filesusr.com/ugd/017c44_548e4fe058f545fd88e376ad7cc566e7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/78608c3a-167c-4204-bdfe-d0b4471c8309/describe_a_lake_at_night.pdfIn PDF document text
- https://91c7bc9f-df77-4dbd-ae51-8bcf521f3e61.filesusr.com/ugd/1df9ea_4df949766e364beda5f37137b8c0619f.pdf?index=trueIn PDF document text
- http://boxijekew.atwebpages.com/beverage_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02d95029-b7af-40ef-95b5-044a91c0dd20/que_es_aforismo_3_ejemplos.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e441.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE441 | 5248 bytes |
SHA-256: e9fc4bb07f243562b9a210919e96b5c37a9992f516b3263fb3a3cd01b509ba95 |
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font_01_sfnt_off0000f62f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF62F | 14456 bytes |
SHA-256: 1d5e68ec3cf6d7c30f2e87fe9a278bd6b7af793949af7fa0d9a817d1cd9b1aa9 |
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