MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with a critical heuristic firing indicating it points to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the redirector. The presence of a large number of external PDF links suggests a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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=fibonacci+sequence+pdf In PDF document text
- http://filebali.tfgministries.org/uploads/1/3/2/8/132814930/51f56cc3dc8.pdfIn PDF document text
- http://files.thevirginiacotillion.com/uploads/1/3/2/7/132740978/016e4a9.pdfIn PDF document text
- http://files.mattworrell.net/uploads/1/3/1/6/131606762/wizavinakezak-pijotegumi-volopetofaloren-vaxuna.pdfIn PDF document text
- http://files.exton-village-hall.com/uploads/1/3/1/3/131379939/dokefulima.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0447/8818/7293/files/jupyter_keyboard_shortcuts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3791/7345/files/51311168595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6891/4838/files/11th_biology_textbook_gujarati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5570/2425/files/33303331731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6385/2708/files/12749972049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2906/7933/files/doxycycline_monohydrate_package_insert.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6440/0798/files/42623094441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9151/6826/files/pakidefamujenaredam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7927/0549/files/california_association_of_realtors_residential_lease_agreement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3384/4119/files/13516946585.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4647/5678/files/99745069529.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_off00007def.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DEF | 5044 bytes |
SHA-256: 8bc28d54d95ca459d27cf9bab87c7d201aebc14866cd4341310a7727e3790eb6 |
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font_01_sfnt_off00008f10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F10 | 12084 bytes |
SHA-256: ac449c23e08f63d6ef494dc61560aec89aaf04d43f3ceb613196990f2cfe2c41 |
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font_02_sfnt_off0000b669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB669 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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