MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many of which point to redirector infrastructure. One prominent redirector URL is https://ttraff.com/pify?keyword=find+the+vertex+calculator, which is flagged as malicious. The document body, though heavily obfuscated, also contains this URL and other Shopify links, suggesting a link farm or phishing lure designed to redirect users to malicious content. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.com/pify?keyword=find+the+vertex+calculator In PDF document text
- http://files.knottooshabbyeventplanning.com/uploads/1/3/1/6/131606353/pamarunorifapo_pifimepaxa.pdfIn PDF document text
- http://files.doseofuwo.com/uploads/1/3/0/7/130740522/76da185874c2.pdfIn PDF document text
- http://files.shorewoodmovingforward.com/uploads/1/3/1/4/131407709/satax.pdfIn PDF document text
- http://files.paintnwithfriends.com/uploads/1/3/1/8/131857983/7921390.pdfIn PDF document text
- http://files.asikeyipark.ca/uploads/1/3/0/9/130969751/aa61ed562e11.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/1/0433/5458/7288/files/battlefield_4_player_count.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8910/0951/files/76054850202.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9238/5700/files/8114035754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7228/2008/files/dukadulodusutedasegururo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5866/7415/files/78753134693.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0898/1152/files/zibumegadujuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9850/4354/files/1996_subaru_legacy_outback.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6492/6111/files/setagaxefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6686/0455/files/nufekoxiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/97295907281.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6333/5319/files/fodajokukivisajuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0609/9605/files/xoxudez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/8602926679.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F31 | 4932 bytes |
SHA-256: 1a81ca16d3564ea71ee8930437c4fa428881cbf78688c046712efbb688b0b962 |
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font_01_sfnt_off00006ffa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FFA | 15608 bytes |
SHA-256: af354d82ec72c102054ed6e8ca87cbc3ce2f2ce310c945eac6b55243190fa970 |
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font_02_sfnt_off0000a0f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0F7 | 16080 bytes |
SHA-256: a534b91c4ec3d8756e3a834051570443c69e75f38d6508a28567570861ffac3d |
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