MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, with one heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'customer acquisition definition pdf' and the wkhtmltopdf tool, suggesting a lure. The primary malicious IOC is the redirector URL, which likely serves as a gateway to a phishing or malware distribution site.
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=customer+acquisition+definition+pdf In PDF document text
- http://files.castleviewbands.com/uploads/1/3/0/7/130775497/3122627.pdfIn PDF document text
- http://files.grahamstead.com/uploads/1/3/2/6/132695339/5476733.pdfIn PDF document text
- http://files.necfgsd.com/uploads/1/3/2/7/132740307/bonolekol-giditet.pdfIn PDF document text
- http://files.gmif.gmuforensics.org/uploads/1/3/1/6/131637047/3353059.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/1/0430/0544/4259/files/cervical_cancer_screening_ontario.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6873/6166/files/gezabufed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0004/5465/files/46300869505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7030/7995/files/32871306859.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/7628/4569/files/water_pollution_consequences.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0744/1053/files/chemical_properties_of_alkaline_earth_metals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4225/8587/files/94526170124.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5851/1510/files/wogowitaluwajedesajom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6815/2216/files/rimagefobituvizafobi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8904/3358/files/rujisafikuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6824/3614/files/affairs_cloud_july_2020.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000726e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x726E | 5300 bytes |
SHA-256: 61031c025c402552e064dc747071f959c1455cba369d684169054be84557260c |
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font_01_sfnt_off00008459.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8459 | 13240 bytes |
SHA-256: a095b8998abc376bb35d11eead6aebca20dc8e582eae536112d7f5af22b8d260 |
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font_02_sfnt_off0000aeb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEB2 | 16120 bytes |
SHA-256: 988a316f543fb787c6e548b45acc8bfd59cad13da049e9ddbad57dfbfbb9e7cc |
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