MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple embedded URLs, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=demand+definition+economics+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The presence of numerous other links, many hosted on cdn.shopify.com, indicates a link farm strategy to obscure the malicious destination. The ML classifier also strongly flagged this PDF as malicious.
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=demand+definition+economics+pdf
- http://files.rudegallow.com/uploads/1/3/1/0/131071167/3553581.pdf
- http://files.purelysimplelife.com/uploads/1/3/1/4/131407549/9255285.pdf
- http://nafoves.smartnetworksco.com/uploads/1/3/0/7/130775413/931a74ede38db.pdf
- https://cdn.shopify.com/s/files/1/0432/1384/8733/files/ribimozukuguxuboka.pdf
- https://cdn.shopify.com/s/files/1/0431/2226/2178/files/fujutuwinuzuzulivobibob.pdf
- https://cdn.shopify.com/s/files/1/0428/7250/4483/files/32963350051.pdf
- https://cdn.shopify.com/s/files/1/0435/5594/6655/files/cervical_cancer_screening_guidelines_acog.pdf
- https://cdn.shopify.com/s/files/1/0428/3550/9415/files/84528436032.pdf
- https://cdn.shopify.com/s/files/1/0437/8276/6743/files/73333796529.pdf
- https://cdn.shopify.com/s/files/1/0435/6043/5871/files/jiratomarusajitaj.pdf
- https://cdn.shopify.com/s/files/1/0434/4355/2416/files/35933954508.pdf
- https://cdn.shopify.com/s/files/1/0433/7798/3653/files/raxarapodanunokolugojin.pdf
- https://cdn.shopify.com/s/files/1/0439/1275/7400/files/92597642527.pdf
- https://cdn.shopify.com/s/files/1/0429/6297/6921/files/95043010794.pdf
- https://cdn.shopify.com/s/files/1/0427/7754/2823/files/68931212020.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/
- https://cdn.shopify.com/s/files/1/0434/4355/2416/files
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006273.bine9910e40295eb464f1819f1615163818527e39291e0b5d77d262b5bf62bc2a9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6273 | 5172 bytes |
font_01_sfnt_off000073fc.bin629ddad23b787ec1af9320a1e71ec2d38d888bec0f47c62ee43277411e29d150 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73FC | 9652 bytes |
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