MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for users searching for specific content. The presence of numerous external PDF links also suggests a link farm or SEO manipulation tactic. The ML classifier strongly indicates malicious intent.
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=billy+joel+keyboard+book+pdf
- http://files.compasswellnesscoaching.com/uploads/1/3/0/8/130874543/1997618.pdf
- http://files.jamfinearts.com/uploads/1/3/0/7/130738752/viwul.pdf
- http://files.deesinhadesign.com/uploads/1/3/0/9/130969357/7927045.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wesuwalaloluxafim.pdf
- https://cdn.shopify.com/s/files/1/0429/7408/5279/files/73334278238.pdf
- https://cdn.shopify.com/s/files/1/0431/6895/6573/files/nevawuj.pdf
- https://cdn.shopify.com/s/files/1/0436/0817/8850/files/moxuk.pdf
- https://cdn.shopify.com/s/files/1/0438/1242/1789/files/32338160787.pdf
- https://cdn.shopify.com/s/files/1/0429/6884/2393/files/78709910949.pdf
- https://cdn.shopify.com/s/files/1/0434/1350/4156/files/91378189560.pdf
- https://cdn.shopify.com/s/files/1/0439/9969/0910/files/zodobabofakupid.pdf
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/56981889128.pdf
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/41869091218.pdf
- https://cdn.shopify.com/s/files/1/0433/2371/9845/files/96675787745.pdf
- https://cdn.shopify.com/s/files/1/0440/3711/1958/files/72375950066.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zilifevuzumojewod.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_off000046ab.bin72e847622513e5f9f66d2ec01ff973e4fe89e653ac0109e26daee310cb36eb0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46AB | 5288 bytes |
font_01_sfnt_off000058c3.bin17734101447c5c5b39c9a6571ed66a7c55e1dd3b708bd7bb385e0c6681959022 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58C3 | 9876 bytes |
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