MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a 'reference manual', which is a common lure. The presence of many external links, including a link to a Shopify domain, indicates an attempt to distribute content or potentially malware. 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.cc/wix?keyword=pe+civil+reference+manual+16th+edition+with+companion
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/7441/0910/files/sulezukokeborotaxurof.pdf
- https://cdn.shopify.com/s/files/1/0437/4488/6936/files/jubemimoxomevinele.pdf
- https://cdn.shopify.com/s/files/1/0433/9197/5580/files/vavemobegekaxusalupobokos.pdf
- https://cdn.shopify.com/s/files/1/0436/4982/6969/files/nevokuj.pdf
- https://cdn.shopify.com/s/files/1/0435/1187/3688/files/80401822707.pdf
- https://static.usrfiles.com/ugd/ea78e0_c58f5b47e64b4cc999bdd87871184948.pdf
- https://cdn.shopify.com/s/files/1/0431/3831/8487/files/ravarapasanub.pdf
- https://cdn.shopify.com/s/files/1/0432/5831/4912/files/22603896907.pdf
- https://static.usrfiles.com/ugd/3f4b99_3c4fea24920c4822a1478999263f1b7a.pdf
- https://static.usrfiles.com/ugd/822ecd_4c1daf7564cc4430a56994ed10c3ff73.pdf
- https://static.usrfiles.com/ugd/4bdc6d_bb33220028a44259945a613abb200e38.pdf
- https://static.usrfiles.com/ugd/b8c837_f63fa5da256941cfae0d6e715e33bf67.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_off00005f80.bin819307afbb38d1ea08edc9a66804b11e408cfde6e7a740ae8dff8779e25077df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F80 | 5576 bytes |
font_01_sfnt_off0000725c.bin30af06d2e33201e9d320f140f3d96ee2abe04a969c552a14cf0b038356967f48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x725C | 10420 bytes |
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