MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many pointing to Shopify domains hosting other PDFs, and one critical link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to be a lure related to 'adjective clause test with answers', suggesting a phishing or social engineering pretext.
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=adjective+clause+test+with+answers
- http://files.bostonnewmusicfestival.org/uploads/1/3/1/3/131383329/6825372.pdf
- http://files.366fighterassociation.net/uploads/1/3/1/6/131636978/mowomu.pdf
- http://files.number25deli.co.uk/uploads/1/3/1/4/131454306/lulixana-rinuma.pdf
- http://files.friendsofmonroviapubliclibrary.org/uploads/1/3/1/4/131483445/jaweluworixe.pdf
- http://files.jacquelineaust.com/uploads/1/3/1/4/131437702/mivenup_zejejubidaturiz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/2853/7753/files/84324527259.pdf
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/24142045976.pdf
- https://cdn.shopify.com/s/files/1/0429/5881/5398/files/92789248586.pdf
- https://cdn.shopify.com/s/files/1/0433/8358/6977/files/34168470598.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dadimutixiwukigojubiw.pdf
- https://cdn.shopify.com/s/files/1/0432/3016/7202/files/gimitamaj.pdf
- https://cdn.shopify.com/s/files/1/0432/1044/0862/files/jatabopixusov.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/sejiwivosex.pdf
- https://cdn.shopify.com/s/files/1/0435/6187/7665/files/nebojunolajezogedafozulad.pdf
- https://cdn.shopify.com/s/files/1/0431/0879/4530/files/28480665679.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_off00006d53.bin1d6ddcc5eb6d777d5bb8d580c3509ed0b40b34f31cf085464d10a538051d1236 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D53 | 5016 bytes |
font_01_sfnt_off00007e59.bind145c80159acbf40cc96396d9e94858085cb3e8e86765c6c0a01a820e3ca8c1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E59 | 9956 bytes |
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