MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Addends
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=monografia+sobre+el+alcoholismo+en+bolivia+pdf'. This suggests the document is designed to redirect users to potentially harmful sites, likely for phishing or malware distribution. The presence of numerous Shopify-hosted PDF links further supports the SEO link farm tactic.
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.ru/pify?keyword=monografia+sobre+el+alcoholismo+en+bolivia+pdf In PDF document text
- http://files.northsidecolumbia.org/uploads/1/3/1/3/131378950/8432728.pdfIn PDF document text
- http://files.christianlorenzo.com/uploads/1/3/2/7/132710779/484697a857c9f0.pdfIn PDF document text
- http://fiwara.olchsstudentservices.com/uploads/1/3/0/7/130738714/kafesexofa.pdfIn PDF document text
- http://files.fairtradejoolz.com/uploads/1/3/1/3/131378990/risoguvivoxixep-bevadudejudam-vufumazimapipoz.pdfIn PDF document text
- http://files.zenlockyt.com/uploads/1/3/2/6/132682233/madadali.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/1/0433/0265/0014/files/94282471945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4443/7142/files/10448124363.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7253/4166/files/34646770915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7205/9547/files/xulilidiwupupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7317/4693/files/basketball_rules.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7382/2102/files/dosukitej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1572/3414/files/global_strategic_management_process.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3588/5721/files/93444725404.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9341/7366/files/70758129024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1715/0357/files/kewikegotisoxatidi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2509/7126/files/nunosezizurileluwafiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6469/6738/files/vopadunewefivuneda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0994/9341/files/84099603471.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_off0000c352.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC352 | 5772 bytes |
SHA-256: f42eef2cecd702b2bf15c32311d9c0f699c39dc38d36f3c3c513bb574a2fabfa |
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font_01_sfnt_off0000d6e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E1 | 11996 bytes |
SHA-256: 9175bbab1038bc3230b071d65b8f95059e015eb6295742d8016338eea79c754e |
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