MALICIOUS
184
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 disposable domains and redirectors, indicating a link farm designed to distribute malicious content. The primary redirector URL is https://ttraff.ru/wb?keyword=the%20top%20five%20regrets%20of%20the%20dying%20free%20pdf, which is flagged as malicious. The document body itself contains similar URLs, suggesting the intent is to drive traffic to these malicious sites.
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.ru/wb?keyword=the%20top%20five%20regrets%20of%20the%20dying%20free%20pdf
- http://files.hncong.org/uploads/1/3/1/4/131438299/80468804c40bec.pdf
- http://files.mypersonalgifter.com/uploads/1/3/1/4/131482866/8555105.pdf
- http://files.drcarriebrennan.com/uploads/1/3/1/4/131438570/famebawilopew-bixoxunokonori-jaradav-zofegi.pdf
- http://files.abroaddownunder.com/uploads/1/3/2/7/132711983/fejutug.pdf
- http://files.unlvasce.com/uploads/1/3/1/4/131454238/nepenewagafog.pdf
- http://files.kmphotographyma.com/uploads/1/3/1/4/131407165/1126974.pdf
- http://files.blmslibrary.org/uploads/1/3/1/6/131606644/ebdfe5.pdf
- http://files.mollycranch.com/uploads/1/3/0/9/130969242/6944377.pdf
- http://files.krwoodworkings.com/uploads/1/3/1/8/131871894/1591208.pdf
- http://files.travel-wisemama.com/uploads/1/3/1/6/131636601/8051551.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://pisurika.files.wordpress.com/2020/06/kosutukafa.pdf
- https://zipaxezovive.files.wordpress.com/2020/07/wujirideke.pdf
- https://dezekifas.files.wordpress.com/2020/06/13580172806.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62114329075.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/82595467958.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61259485886.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83971047952.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1885060089.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_off00006502.bin406b070373874b9137c1d14fa93775b531cfb8f8777242317c78650a69a30bd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6502 | 4960 bytes |
font_01_sfnt_off000075ed.binccce1a6b157b6e471bb3ce81b5f5e718448fbf431c0996e94083e1c47ee2f7f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75ED | 9740 bytes |
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