MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=last+password+change+report'. The document body, though heavily obfuscated, also contains this URL and references a 'password change report', suggesting a phishing or credential harvesting lure. The presence of many external PDF links, some benign and some unknown, indicates a link farm strategy, likely to obscure the malicious redirector.
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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.cc/pify?keyword=last+password+change+report In PDF document text
- http://maxama.traveltsum.com/uploads/1/3/0/8/130874493/ruruwepujata_sujilewepifag.pdfIn PDF document text
- http://lozuz.basile-vareltzis.com/uploads/1/3/1/8/131857334/9508418.pdfIn PDF document text
- http://files.humanist-sociology.org/uploads/1/3/0/7/130775103/vewerewokogaxivi.pdfIn PDF document text
- http://files.creativitytankllc.com/uploads/1/3/2/8/132814241/8566666.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/1/0433/9492/4700/files/nutraceuticals_market_research_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3105/0905/files/windows_7_allinone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9051/7911/files/avast_free_filehippo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1653/4685/files/tudijetegelegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7335/3381/files/56713626873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1647/8110/files/quadratic_equation_solver_fraction_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2834/9079/files/ableton_9._7._1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2191/0687/files/fixed_budget_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8978/0124/files/femoboravefajerufizukuru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1555/2672/files/88543431114.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6079/6318/files/dusamakoj.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
- 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_off00005f76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F76 | 5336 bytes |
SHA-256: b6a29e6d348e29a1032c3158b88f21db96b52af0df29b2ad4aec0381fa27c3d4 |
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font_01_sfnt_off000071aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71AA | 10420 bytes |
SHA-256: 37070dbd699e773044dec0a2d7f54d0de5a4572a6a8e149c8c826fad2fc8489a |
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font_02_sfnt_off0000958e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x958E | 16084 bytes |
SHA-256: fb27248ec02d804caa0ce6a8dd06a8f0f211157336bc50f6c382585ff5fe3da3 |
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