MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is designed to lure users to malicious content. The document body, though heavily obfuscated, appears to contain the same URL and a list of other URLs, likely part of a link farm to improve search engine ranking for malicious content. The presence of a malicious redirector link indicates an attempt to deliver a payload or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ttraff.ru/pify?keyword=healthcare+waste+management+manual.+pdf In PDF document text
- http://files.thepurposedathlete.com/uploads/1/3/0/8/130813395/8dcb9c2f3fad.pdfIn PDF document text
- http://files.ottersdontflush.com/uploads/1/3/1/3/131398423/katotob.pdfIn PDF document text
- http://files.ourgreattravelblog.org/uploads/1/3/2/8/132814147/pokowalotitadajeg.pdfIn PDF document text
- http://files.hheroez.com/uploads/1/3/1/4/131438128/nikopumil_sarujiful_dobuzuvefene.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1617/5263/files/11959464687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9740/0223/files/john_deere_3520.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3762/0381/files/97737809050.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6429/4557/files/13800648870.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4672/1946/files/wow_herbalism_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3623/8236/files/76216263232.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3310/0439/files/gazugawibizivu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3644/8667/files/77508202740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1780/3675/files/genetics_a_conceptual_approach.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7537/1159/files/gugugiseboved.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/aoe2_validating_subscription.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4817/2710/files/mossberg_500_disassembly.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6182/8001/files/11717983603.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4790/2629/files/tipexowupuseponefawuduzow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6208/4262/files/nutugabasizorum.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_off000069c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69C4 | 5652 bytes |
SHA-256: a65be72aa3a633d4ebf960509cfd4b8f75ec6388f6533273ea52f47c6894505a |
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font_01_sfnt_off00007ce4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CE4 | 10596 bytes |
SHA-256: 9c80a21a46290b4e7243d981b7bd200de0562e5f6e33ede067a788feea68ded3 |
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