MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to external PDF files, a technique often used for SEO poisoning or to host phishing content. One of the primary links, 'https://ttraff.com/pify?keyword=information+asymmetry+moral+hazard+adverse+selection', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness.
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=information+asymmetry+moral+hazard+adverse+selection
- http://gasafovan.mrscroninphysicalscience.com/uploads/1/3/0/7/130776167/1843a67.pdf
- http://kupazu.marinashay.com/uploads/1/3/1/4/131455734/8452837.pdf
- http://files.paulsullivanleather.co.uk/uploads/1/3/1/4/131438069/309f879f0a30ad8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/3016/8230/files/75062723272.pdf
- https://cdn.shopify.com/s/files/1/0434/2094/2486/files/94462136729.pdf
- https://cdn.shopify.com/s/files/1/0430/0714/8185/files/zasutoj.pdf
- https://cdn.shopify.com/s/files/1/0433/3905/5253/files/ximatefunovevuxoko.pdf
- https://cdn.shopify.com/s/files/1/0431/0866/3456/files/93370775160.pdf
- https://cdn.shopify.com/s/files/1/0427/6781/0726/files/basics_of_electrical_engineering_book.pdf
- https://cdn.shopify.com/s/files/1/0428/5808/6559/files/cancer_de_mama_metastasis_pulmonar.pdf
- https://cdn.shopify.com/s/files/1/0429/5314/6517/files/22424894945.pdf
- https://cdn.shopify.com/s/files/1/0433/8856/7706/files/fegojunolajo.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_off000078ba.bindedf403bca76c864a7dd27652e8d793d7549f329a48acd6cbe25db140fd2d149 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78BA | 5412 bytes |
font_01_sfnt_off00008afd.bin3d89c0483bb52cedb3bc477495b07c31875dbaeea0c0b7c83773c5b7284df7e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AFD | 9736 bytes |
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