MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one prominently pointing to a known malicious redirector. The document body, though partially corrupted, mentions 'split pdf apkpure', suggesting a lure to disguise malicious activity. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the malicious destination.
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=split+pdf+apkpure
- http://files.glamorousreputation.com/uploads/1/3/1/6/131606605/pulomume.pdf
- http://files.romeprivatetransfers.com/uploads/1/3/0/7/130776131/62b8c565b5c1f.pdf
- http://files.cynthiadiggs.com/uploads/1/3/1/4/131409090/fb0091d.pdf
- http://files.pauladuartetango.com/uploads/1/3/1/6/131607027/8499225.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/9820/1502/files/32002168637.pdf
- https://cdn.shopify.com/s/files/1/0430/0180/7007/files/30666903021.pdf
- https://cdn.shopify.com/s/files/1/0437/0441/8455/files/zuzixutojemadonatoluwor.pdf
- https://cdn.shopify.com/s/files/1/0433/8168/6423/files/4273443398.pdf
- https://cdn.shopify.com/s/files/1/0432/1896/0541/files/47596646604.pdf
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/wosogowu.pdf
- https://cdn.shopify.com/s/files/1/0432/3278/8648/files/affronter_ses_peurs.pdf
- https://cdn.shopify.com/s/files/1/0441/4016/7320/files/tupulekisojituluxabew.pdf
- https://cdn.shopify.com/s/files/1/0434/2172/8918/files/pazagokak.pdf
- https://cdn.shopify.com/s/files/1/0436/1325/7885/files/12080203647.pdf
- https://cdn.shopify.com/s/files/1/0433/4754/2175/files/fularowasinifosatokowunan.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_off000043df.bin4ea0874b1329183ab8069d554bf64f64b10712ed7e578025116bbbe82e13f63b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x43DF | 5024 bytes |
font_01_sfnt_off00005507.bin9510df83adaa58e026fe7e924c2e7b5c0f248f6f25de2165367f314bd42544ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5507 | 9724 bytes |
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