MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to benign Shopify domains, but one critical link redirects through `ttraff.cc`, a known malicious redirector. The document body text and embedded URLs suggest a lure for downloading a book, which is a common tactic for distributing malware. The presence of a visual download button further supports this malicious workflow.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=automobile+engineering+book+by+vijayaraghavan+pdf+free+download In PDF document text
- http://files.eastbaypreschools.com/uploads/1/3/0/9/130969673/bitewepabopijexil.pdfIn PDF document text
- http://lijuto.concordneuropsych.com/uploads/1/3/2/7/132740405/lojidigodeze_kuripaxemesep.pdfIn PDF document text
- http://jawidet.mainstylebroomfield.com/uploads/1/3/0/9/130969060/xexepixorux.pdfIn PDF document text
- http://files.jacquigreaves-author.com/uploads/1/3/0/7/130776490/90f57.pdfIn PDF document text
- http://files.limousinesdallas.net/uploads/1/3/0/8/130873876/4915274.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/1/0430/0826/2297/files/caso_clinico_aplasia_medular.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9925/0072/files/64107256897.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5702/8001/files/turitome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1288/0544/files/92129433019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5086/9671/files/zexopabedojewig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3776/9384/files/vekimuzaxirokejafugenexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4529/8074/files/livabukojeki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/simple_definition_of_economics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1960/6936/files/40013108883.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2732/5343/files/nofolavado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2020/5726/files/jixupakolukatefexusexad.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_off00005f5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F5B | 5800 bytes |
SHA-256: e779f1ffec019eeb5acdc654d9aeccb7cfeee910d680e7254441059873426876 |
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font_01_sfnt_off0000730e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x730E | 2116 bytes |
SHA-256: 89454d8ece1be00d2333aac76955f46ed17c4d141322e635bf27f42efb43e54e |
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font_02_sfnt_off00007cda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CDA | 14532 bytes |
SHA-256: 4972920ed079a4aa20442d08c75084235e2b5b875209d1598ce517f7f72ffe4a |
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