MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, with a critical heuristic identifying it as an SEO link farm and a high-confidence heuristic flagging it as an image lure linking to an SEO redirector. The primary malicious URL identified is 'https://trafftec.ru/aws?utm_term=vfs+australia+visa+form+956a', which is presented in the context of a visa form. ClamAV also detected the file as 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0', reinforcing the phishing and malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://trafftec.ru/aws?utm_term=vfs+australia+visa+form+956a PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367952/normal_5f951cbfd1a53.pdfIn PDF document text
- https://rokudula.weebly.com/uploads/1/3/4/0/134017654/6157969.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484118/normal_5fc7fda97a1b8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425506/normal_5fa0dd02baaf8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495265/normal_5fab6cf9da177.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366042/normal_5f8d72a5087d5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe00cae18c5c478ec2253d/1606287562142/veryfitpro_user_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f803f771-89d3-4f14-a7f5-af4bbeea4340/monastic_traditions_5e_kensei.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f30fed73-e411-434e-8a36-d8590de76eda/33500418108.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c04381f4-8122-4c40-ad02-36844391c582/ptcb_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86aa906d-6162-4d47-860d-a52ad7741197/91229150619.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/378bf876-bb04-4288-878b-1ff2f2890a87/maduliririwazusexetes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92595be8-b467-4940-8b53-635910f82a63/93234755182.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ca82957-25d0-450c-b75c-837a2f489fcb/final_fantasy_14_rogue.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e6426241-de01-4004-a0cb-ebec128775f3/44183564773.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b266.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB266 | 5028 bytes |
SHA-256: 9e264e8cf13c29808895b877a051b9e487465a5a00df3311ae40a6dd3e77700a |
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font_01_sfnt_off0000c37d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC37D | 9052 bytes |
SHA-256: 82aef24fd0d4e52a67a1206d990a76310c454c6429f8f16cff441a57bc699df4 |
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font_02_sfnt_off0000e26d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE26D | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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