MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.ru) identified as malicious. The document body, though heavily obfuscated, contains a reference to the same malicious URL, suggesting an attempt to disguise malicious content as a document. The presence of a large number of links, including those to benign Shopify domains, indicates a link farm strategy to obscure the malicious destination. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=chemistry+seventh+edition+zumdahl+pdf In PDF document text
- http://files.windowwarehousedraperysupply.com/uploads/1/3/1/4/131483067/fimakidawatudopole.pdfIn PDF document text
- http://files.nicolainickson.com/uploads/1/3/1/3/131378942/297f233a35e2ec.pdfIn PDF document text
- http://files.leechristinebrownlee.com/uploads/1/3/1/1/131164132/5794758.pdfIn PDF document text
- http://files.atallamdshop.com/uploads/1/3/1/3/131379594/bemutugol-vunasevijipivo-sidutukome-kunafosonobisuf.pdfIn PDF document text
- http://files.sproutsmyanmar.com/uploads/1/3/2/3/132302863/giburapudiga-dojowul.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/1/0433/9220/4950/files/fegamitonixiban.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3577/1558/files/mijabewetapunipaga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2911/8627/files/51217824098.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6819/4978/files/kumagulesaka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2156/5078/files/wolfgang_puck_pressure_oven_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8592/9375/files/h_band_2._0.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9682/6261/files/59342381056.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1653/4690/files/49266950188.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7121/8588/files/58093391603.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3431/9776/files/pusanedimi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3159/3113/files/34038962239.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0500/8293/files/rejowifixek.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_off00006393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6393 | 5396 bytes |
SHA-256: 6b43787a814f47bac9aaddf74e3015b5744a3eddeb31fe14842f48025972ef9b |
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font_01_sfnt_off000075d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75D3 | 10380 bytes |
SHA-256: ae7e996ec7f5b679ab5559b86e45a923319d41dfac07495b3d0348914dc05547 |
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