MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a high number of embedded links, many of which point to a URL shortener service known for malicious redirects. The ML classifier also strongly indicated maliciousness. The primary malicious IOC is the redirector URL, which likely leads to a phishing page or malware download.
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=cellular+sheet+pile+cofferdam
- http://files.richmondathletic.co.nz/uploads/1/3/2/7/132740181/zozame-rutuwudusi-midawusapunozu-firinatukavuwot.pdf
- http://demeja.christianmindfulness.com/uploads/1/3/2/3/132302780/2602933.pdf
- http://files.mindfulfamilycircles.com/uploads/1/3/1/6/131637896/1498fc6be00102.pdf
- http://kibepaxa.hawaiitherapist.com/uploads/1/3/1/1/131164250/fd975e0.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/3601/6803/files/dobejivavokatowesekepu.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6624/files/gigekagopoj.pdf
- https://cdn.shopify.com/s/files/1/0437/8840/2839/files/gafukewirigiximaj.pdf
- https://cdn.shopify.com/s/files/1/0432/9222/9787/files/mariam_khan_reporting_live_new_timing.pdf
- https://cdn.shopify.com/s/files/1/0430/4722/3458/files/zobikinedepaxevaraxorusa.pdf
- https://cdn.shopify.com/s/files/1/0430/5072/9634/files/bobifev.pdf
- https://cdn.shopify.com/s/files/1/0430/8995/2922/files/xisedasuxanexogekuwip.pdf
- https://cdn.shopify.com/s/files/1/0437/6841/4370/files/43372242723.pdf
- https://cdn.shopify.com/s/files/1/0447/9365/9543/files/77898923008.pdf
- https://cdn.shopify.com/s/files/1/0429/8499/7025/files/ruvalewiwimetepomomasani.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_off00007fdf.binef75e66dcf68841281378cc614cafdd2c69a1cfe0c13fc0916dd296e2d737557 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FDF | 5300 bytes |
font_01_sfnt_off000091bd.bind2e167a197de7d777ec0c787b91e628846b4decdeb061bce0f30b1bf78b1cf64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91BD | 10464 bytes |
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