MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources, a common tactic for SEO poisoning or link farms. One critical heuristic identified a direct link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=alistair+begg+books+pdf', which is highly suspicious. The ML classifier also strongly flagged this PDF as malicious. The presence of numerous benign-looking Shopify links alongside the malicious redirector suggests a sophisticated lure to mask malicious intent.
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.cc/pify?keyword=alistair+begg+books+pdf In PDF document text
- http://files.summerlaneborzoi.com/uploads/1/3/0/7/130740256/b7bc014b8fb.pdfIn PDF document text
- http://files.brandonmoorecomposition.com/uploads/1/3/1/4/131438766/muxigem.pdfIn PDF document text
- http://files.sammungai.com/uploads/1/3/2/6/132681378/e364649c79fd03.pdfIn PDF document text
- http://files.ametkorca.com/uploads/1/3/0/8/130814297/tanuxanunek.pdfIn PDF document text
- http://files.el-zunzun.com/uploads/1/3/1/3/131379134/difafobotak-rotulukafot-dijiletuwup.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/1/0434/0416/5285/files/canon_80d_manual_portugues.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9535/7595/files/artist_statement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1043/1896/files/maxelonaxadadako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7795/0870/files/8577355166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37872338034.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4887/7736/files/puvilebunabalolujiwok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0112/4760/files/engineering_vibration_4th_edition_solution.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9703/0805/files/38034500943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0490/8952/files/what_is_github_gist.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5665/0650/files/eminem_lose_yourself_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8652/8155/files/berlitz_english_level_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7949/9940/files/gojikomavaropebaxoguwogun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nalekubaserigudopen.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_off00006c2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C2A | 5404 bytes |
SHA-256: 2b8b1c75a2aa207fe46a7f2bd0aae8a4e113564332f697de3e24ffabb05bca9e |
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font_01_sfnt_off00007e8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E8F | 10116 bytes |
SHA-256: d1c9b69ca1b1b1130c091034839954c8be5f9098828a06851960671f3b8d3fdc |
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