MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, indicative of a link farm or SEO manipulation tactic. One critical heuristic identified a link to a known malicious redirector, https://ttraff.ru/pify?keyword=omar+epps+gif, suggesting a potential delivery mechanism for further malicious content. The document body is heavily obfuscated and contains what appears to be junk data, further supporting a non-legitimate purpose.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=omar+epps+gif In PDF document text
- http://files.priorityonesurplus.com/uploads/1/3/0/8/130874358/vozotokujirabanun.pdfIn PDF document text
- http://files.citizenstoabolishredlightcameras.com/uploads/1/3/0/7/130739919/7df9632e918c374.pdfIn PDF document text
- http://files.calvarychapelsaintcloud.org/uploads/1/3/1/8/131856827/solijutamixof.pdfIn PDF document text
- http://files.continuumsofservice.org/uploads/1/3/1/6/131637498/jijeg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2218/6653/files/20980851704.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8266/9475/files/kuxajalegum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7711/5812/files/xefesavivunotege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9899/4856/files/46664292758.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2707/1127/files/95294525891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7852/4832/files/89288513227.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mosagewenusuwaguxizekud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7491/2410/files/dunajewobosuzusonegexeto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4891/9450/files/24583722548.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tokisesuzarutaxiwiru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8607/6309/files/vomajuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9069/6597/files/kixelitumefedemefima.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6905/5911/files/99161375074.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F5F | 5216 bytes |
SHA-256: 6d2086295078679098811b97c4cd70139f3eaf3f575d4b8c5b7ba44a9d8fff43 |
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font_01_sfnt_off00007103.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7103 | 9948 bytes |
SHA-256: fccb5ed42a179dc7928f7db8c66160fcad3b39c0254f0866e5bfc3160f9dc2e6 |
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