MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=171+cm+in+feet+and+inches, suggesting an attempt to redirect users to malicious content. The presence of a large number of external PDF links indicates a link farm or SEO manipulation tactic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=171+cm+in+feet+and+inches
- http://files.downtheroadfarm.com/uploads/1/3/2/6/132682913/dupemosijot.pdf
- http://files.igottheshotphotography.com/uploads/1/3/0/7/130775102/kamepabizus.pdf
- http://files.domesticviolenceunmaskedinc.com/uploads/1/3/0/7/130776041/0caf251448a410.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0447/5686/1077/files/rules_by_cynthia_lord_free.pdf
- https://cdn.shopify.com/s/files/1/0432/4245/5197/files/94764588603.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefopevepal.pdf
- https://cdn.shopify.com/s/files/1/0432/8266/1526/files/339522980.pdf
- https://cdn.shopify.com/s/files/1/0431/4369/2445/files/vijejelawapisevov.pdf
- https://cdn.shopify.com/s/files/1/0438/2218/6656/files/tecumseh_10_hp_engine.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gizazuvolabemonixodokij.pdf
- https://cdn.shopify.com/s/files/1/0432/4609/2443/files/linirowugukoros.pdf
- https://cdn.shopify.com/s/files/1/0430/4830/4797/files/joxibifiburo.pdf
- https://cdn.shopify.com/s/files/1/0430/8415/2986/files/1552620874.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000616c.bin5b121b83a1f5cff48e137d6ecae72967b43e05c9d8cd14df5b15ef98422c7d22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x616C | 5172 bytes |
font_01_sfnt_off000072e9.bin88a14805b5d1365828e49b212d4501f903b63c116a9b196d00e41ce6dd55dfc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72E9 | 12436 bytes |
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