MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains multiple embedded links, with a critical heuristic identifying one as a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The presence of a large number of external links, many pointing to Shopify, suggests a link farm or SEO manipulation tactic to obscure the malicious intent. The ML classifier strongly indicates 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=best+android+auto+head+unit+single+din
- http://files.kansascitydreamkeepers.com/uploads/1/3/0/7/130738513/lataw-zunanuvimol.pdf
- http://gixujopix.blacktohealth.com/uploads/1/3/0/8/130873877/gutirasodunotit.pdf
- http://files.jessicaruthallen.com/uploads/1/3/1/4/131454899/turujen.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9105/8078/files/steps_of_problem_solving_method.pdf
- https://cdn.shopify.com/s/files/1/0445/3846/2372/files/ready_player_one_online_book.pdf
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/79752179464.pdf
- https://cdn.shopify.com/s/files/1/0451/2422/3141/files/dubikimarajijuve.pdf
- https://cdn.shopify.com/s/files/1/0437/7437/8142/files/case_files_family_medicine_free.pdf
- https://cdn.shopify.com/s/files/1/0431/2150/8506/files/xokedab.pdf
- https://cdn.shopify.com/s/files/1/0437/7106/8577/files/tonopogipefiwa.pdf
- https://cdn.shopify.com/s/files/1/0437/0894/0441/files/facebook_api_developers_guide.pdf
- https://cdn.shopify.com/s/files/1/0437/8198/0317/files/juworekunixigilelu.pdf
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/moketufawasiken.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_off00008c22.bina9b0f727bb98ca6bd15ae61dcbc05f71fcb4dc0752b394f66bdb1ae1f66e29ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C22 | 5136 bytes |
font_01_sfnt_off00009d89.bin6127304715b4e92d17563e369ab6308649dc3a7b951f359358cc855fb4176f1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D89 | 10328 bytes |
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