MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to what appears to be a link farm designed to improve search engine rankings. One of the primary links redirects to malicious infrastructure, suggesting a phishing or malware distribution attempt. 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.ru/pify?keyword=transport+phenomena+revised+2nd+edition+pdf+download
- http://files.rwjbhinstructors.com/uploads/1/3/1/3/131381540/8185104.pdf
- http://files.stoneofhopeyouth.org/uploads/1/3/1/4/131410485/6048305.pdf
- http://files.accreditedbeautyshortcourses.com/uploads/1/3/0/7/130775384/depipodolenasum-jabupotidiz-joramekikipat-besiga.pdf
- http://files.jennysdelights.com/uploads/1/3/1/1/131164476/d69aad3d476.pdf
- http://files.caasfepconference2020.org/uploads/1/3/1/4/131454316/3755089.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fokukivovasogu.pdf
- https://cdn.shopify.com/s/files/1/0430/2825/0781/files/90206268776.pdf
- https://cdn.shopify.com/s/files/1/0430/9159/1321/files/xikawukemozatudem.pdf
- https://cdn.shopify.com/s/files/1/0435/5316/1367/files/sipelolazujokinibobi.pdf
- https://cdn.shopify.com/s/files/1/0435/8042/4351/files/76344809408.pdf
- https://cdn.shopify.com/s/files/1/0429/0255/2735/files/13661018111.pdf
- https://cdn.shopify.com/s/files/1/0438/2064/6562/files/zejolod.pdf
- https://cdn.shopify.com/s/files/1/0428/5969/2198/files/70534174200.pdf
- https://cdn.shopify.com/s/files/1/0434/4371/6262/files/rumedoborajeja.pdf
- https://cdn.shopify.com/s/files/1/0431/3153/5524/files/91204622692.pdf
- https://cdn.shopify.com/s/files/1/0434/1848/4888/files/batopojasefobak.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_off00006837.binbc1e63b2a2d5003c1b66961eb5f8049f44580abbdd503781a05363c2a10a3de8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6837 | 5516 bytes |
font_01_sfnt_off00007ae6.bin92fa922e5280800bab66a7605878df92f5466e23b7227f985f587c772c583bf6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AE6 | 10224 bytes |
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