MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded URLs that point to a known malicious redirector infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text that appears to be a lure for technical documents, and the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a spam or phishing campaign. 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=mechanics+of+materials+6th+edition+solution
- http://files.detonchoenvironmental.com/uploads/1/3/0/7/130740087/kudikirekikakoz_vexabakow.pdf
- http://files.laurenswildliferescue.org/uploads/1/3/1/4/131453850/legofosu-xemeser-rivitibejapumos.pdf
- http://files.chetee.com/uploads/1/3/1/3/131381055/kegasanirufatoxemi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/6436/8021/files/2381247489.pdf
- https://cdn.shopify.com/s/files/1/0427/4513/5260/files/fejodidurudenudekedufixe.pdf
- https://cdn.shopify.com/s/files/1/0430/8389/0850/files/15596846757.pdf
- https://cdn.shopify.com/s/files/1/0434/5882/2296/files/wulebatusiperejomusi.pdf
- https://cdn.shopify.com/s/files/1/0438/2310/4160/files/97087496186.pdf
- https://cdn.shopify.com/s/files/1/0431/0391/2098/files/netok.pdf
- https://cdn.shopify.com/s/files/1/0429/8267/0485/files/10893545930.pdf
- https://cdn.shopify.com/s/files/1/0433/2313/0009/files/dusidewof.pdf
- https://cdn.shopify.com/s/files/1/0432/2590/7368/files/lanurek.pdf
- https://cdn.shopify.com/s/files/1/0429/2290/1663/files/sonic_says_memes.pdf
- https://cdn.shopify.com/s/files/1/0431/6980/8548/files/limevepebigidajawimefozi.pdf
- https://cdn.shopify.com/s/files/1/0429/5393/2966/files/kugusowokilazepigija.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_off00004dd3.bin46421789d260a849c6117e5d2577d6c6e82186f6ea0df0a5ffe2fe7cb36897cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DD3 | 5420 bytes |
font_01_sfnt_off0000601f.bin6b6f10abed242dc3233500ccc284c322cdd0b364f268ea54c20277021a55adb7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x601F | 10224 bytes |
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