MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious URL, disguised as a 'wolf spider identification guide'. The ML classifier strongly flagged this PDF as malicious, and multiple heuristics indicate it's part of a link farm designed to distribute malicious content. The document body, though heavily obfuscated, contains the malicious URL and references to a guide, reinforcing the lure.
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=wolf+spider+identification+guide
- http://files.reviverestorativeretreats.com/uploads/1/3/0/7/130775292/relawaparu-vurabovukef.pdf
- http://files.strackband.org/uploads/1/3/1/4/131483249/2292786.pdf
- http://files.susanmeehan.net/uploads/1/3/1/0/131070434/wimej.pdf
- https://cdn.shopify.com/s/files/1/0431/6214/0840/files/luneni.pdf
- https://cdn.shopify.com/s/files/1/0437/2702/8375/files/lowrance_elite_4_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/1885/4306/files/gopiropogalujunadedara.pdf
- https://cdn.shopify.com/s/files/1/0429/8375/1831/files/tabet.pdf
- https://cdn.shopify.com/s/files/1/0428/7997/5590/files/9071557528.pdf
- https://cdn.shopify.com/s/files/1/0433/2745/5400/files/zubigawawamaxojororomo.pdf
- https://cdn.shopify.com/s/files/1/0462/8322/7296/files/codecombat_level_13_hack_and_dash_answer.pdf
- https://cdn.shopify.com/s/files/1/0433/7883/5606/files/bovumafifafunozuzuwonuxu.pdf
- https://cdn.shopify.com/s/files/1/0430/4066/9849/files/zisavejamagixigewis.pdf
- https://cdn.shopify.com/s/files/1/0432/5313/7576/files/61922653382.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076c7.bin1905fab1f227d2549a61397623bfa1a2bb232e664a994ab5953e97a0b2669fdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76C7 | 5336 bytes |
font_01_sfnt_off0000890b.bindcebc144a0ea8660bccb267c0e0c3fe4bf9208d6ba72c0558657aed5dd709597 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x890B | 10416 bytes |
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