MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing indicating it links to known malicious redirector infrastructure. The document body also contains the URL 'https://ttraff.com/pify?keyword=classifying+quadrilaterals+venn+diagram+pdf', which is likely used to redirect the user to a malicious site. The presence of numerous other PDF links suggests a link farm or SEO poisoning attempt to distribute malicious content.
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.com/pify?keyword=classifying+quadrilaterals+venn+diagram+pdf In PDF document text
- http://files.adaptiveshooting.com/uploads/1/3/0/8/130874110/23db0133aa78d2.pdfIn PDF document text
- http://files.evilgeniusentertainment.com/uploads/1/3/2/6/132681295/cf8b7aec3c8.pdfIn PDF document text
- http://fawun.fumcsaranaclake.org/uploads/1/3/2/7/132712676/merej-naxili-pigixolazanek.pdfIn PDF document text
- http://boruf.webwayplus.com/uploads/1/3/1/0/131071157/5960996.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/1/0432/5313/7576/files/griffith_quantum_mechanics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2126/3271/files/62319756532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7121/7565/files/69370071545.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1026/9085/files/55834526101.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8342/3128/files/applied_science_in_electrical_engineering.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40948382406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5348/2137/files/boxhead_2_player_full_screen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3076/4968/files/59723251665.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4852/5206/files/98322898486.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8868/3932/files/60817302321.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0580/4698/files/jalipolipifefesatuxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/57412179062.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8585/6919/files/pekiwovoposideboxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3811/3955/files/suzudozafapofufidon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2243/3953/files/varinutejewaruvejawabetuz.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_off00005315.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5315 | 5552 bytes |
SHA-256: 3742cf52936d8fc34eb120e49e5fcd66c6a742a50899d4c822a513b237ffcccf |
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font_01_sfnt_off000065db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65DB | 10032 bytes |
SHA-256: 7519655a0578672eaac425b5677678b61f71ff69e59c918caaf96b49a5fbbb2a |
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