MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded links pointing to external PDF files hosted on numerous disposable domains. One of the embedded URLs, 'https://ttraff.com/wb?keyword=homomorphism%20abstract%20algebra%20pdf', is flagged as a known malicious redirector. This suggests the document is part of a link farm designed to manipulate search engine results or to distribute further malicious content.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=homomorphism%20abstract%20algebra%20pdf In PDF document text
- http://files.indestructibleglowbaits.com/uploads/1/3/1/4/131454024/982a977ae.pdfIn PDF document text
- http://files.laketenkiller.com/uploads/1/3/1/3/131384599/551776.pdfIn PDF document text
- http://files.brisbanewritelinks.com/uploads/1/3/1/4/131409884/daterirajorovuta.pdfIn PDF document text
- http://files.vomhiddencreek.com/uploads/1/3/1/6/131606127/kukuko.pdfIn PDF document text
- http://files.coxevolab.org/uploads/1/3/1/3/131380733/b435077a189.pdfIn PDF document text
- http://files.panisangelicuspress.com/uploads/1/3/1/3/131384018/7094245.pdfIn PDF document text
- http://files.elementalascension.com/uploads/1/3/1/6/131606550/venobikip.pdfIn PDF document text
- http://files.teenchallengeofnewmexico.com/uploads/1/3/1/4/131409024/be49a9fe6fe362.pdfIn PDF document text
- http://files.mairibudreau.com/uploads/1/3/0/7/130776864/ziwawajobigogefivane.pdfIn PDF document text
- http://files.bishopgumbleton.com/uploads/1/3/1/3/131379371/tokasinipegog.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://saguwer.files.wordpress.com/2020/06/64422024447.pdfIn PDF document text
- https://vojedegij.files.wordpress.com/2020/07/zosapusojupewetow.pdfIn PDF document text
- https://gakumaditu.files.wordpress.com/2020/07/wazujunegaferajosi.pdfIn PDF document text
- https://kudikinojov.files.wordpress.com/2020/06/13908859821.pdfIn PDF document text
- https://pegepev.files.wordpress.com/2020/06/lazuwatemoduremegazos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xatet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexidemunuviviradepinitim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85450973079.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_off00007d99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D99 | 5352 bytes |
SHA-256: e0743f480066c3493ee36687d6e084a0e7d0891492a6ca883255b8a23285cb54 |
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font_01_sfnt_off00008fc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FC1 | 10512 bytes |
SHA-256: f9c25ccb0418e1eadd6d5bcebb7670cac7ba4f0925f18bdbc5d7d4dbc08f8731 |
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font_02_sfnt_off0000b407.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB407 | 16956 bytes |
SHA-256: 5b8627607192b16bd7c47a226570bc6cdf390a1d7e6cf13dc1076d95515fc77d |
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