MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'meiosis diagram pdf' and the malicious URL, suggesting a lure. The presence of many external PDF links, some hosted on Shopify, indicates a link farm designed to obscure the ultimate destination. No scripts were extracted from this sample.
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.cc/pify?keyword=meiosis+diagram+pdf
- http://files.kippysfarm.com/uploads/1/3/0/8/130874110/katifemutomev.pdf
- http://files.jbsgolf.com/uploads/1/3/1/3/131384340/1edd49a0dfd.pdf
- http://files.earthspirithearth.com/uploads/1/3/1/8/131856545/7004421da.pdf
- http://files.imcansw.org/uploads/1/3/1/3/131380258/sezisizomow.pdf
- https://cdn.shopify.com/s/files/1/0430/7851/6885/files/3658187181.pdf
- https://cdn.shopify.com/s/files/1/0428/2990/6079/files/xipuxeta.pdf
- https://cdn.shopify.com/s/files/1/0434/4253/6598/files/ririziselora.pdf
- https://cdn.shopify.com/s/files/1/0430/0704/9877/files/53334098203.pdf
- https://cdn.shopify.com/s/files/1/0433/3666/3208/files/pupolojedotilitesuxu.pdf
- https://cdn.shopify.com/s/files/1/0438/7579/5099/files/5967278590.pdf
- https://cdn.shopify.com/s/files/1/0432/6424/5925/files/vitavopexabufopuravumov.pdf
- https://cdn.shopify.com/s/files/1/0430/3087/2215/files/lonejurodoguti.pdf
- https://cdn.shopify.com/s/files/1/0431/4529/8077/files/33121442670.pdf
- https://cdn.shopify.com/s/files/1/0438/3598/1974/files/truyn_c_tch_grim.pdf
- https://cdn.shopify.com/s/files/1/0428/9137/8854/files/79926132271.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000070f9.bin0d1c6e0adf7b91d64b6d67482325f17114a017a62aaecbfa1a35d3f318e27ff5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70F9 | 4936 bytes |
font_01_sfnt_off000081cd.bin9a5ee9e76ca806b0369507210a93c066387ed7e65ffebfd2d3808b448ea08ffc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81CD | 14492 bytes |
font_02_sfnt_off0000ae4e.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE4E | 4324 bytes |
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