MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text fragments and URLs that align with a phishing or scam attempt. The primary malicious URL identified is https://ttraff.ru/pify?keyword=bemonc+2020+pdf, which is likely used to redirect the user to a malicious site. The presence of many Shopify-hosted PDF links suggests a link farm or SEO poisoning tactic.
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=bemonc+2020+pdf In PDF document text
- http://files.xiaoyanglong.com/uploads/1/3/1/4/131438460/fodolebasox_wagipajoges.pdfIn PDF document text
- http://files.ottertotsplayandlearn.com/uploads/1/3/1/4/131454272/a52f4f79547fb.pdfIn PDF document text
- http://files.drgobleconsulting.com/uploads/1/3/2/6/132681992/kokumure.pdfIn PDF document text
- http://files.vicenzas-crostoli.com/uploads/1/3/1/4/131483253/9062675.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/1/0434/1517/5335/files/gas_food_lodging.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1718/2104/files/60471049354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6914/5241/files/tazamipibotewomamudoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5288/3352/files/88755902239.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5920/7582/files/aptransco_syllabus_for_eee.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0203/5351/files/61589312769.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3199/4280/files/amelia_jane_again.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0799/0169/files/fibufoxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3494/7233/files/asu_uniform_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/taromesikajekugad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3414/7989/files/98088943330.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8374/9781/files/lonimukobapekutalibagit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7492/0347/files/51884018290.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_off00005b62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B62 | 5108 bytes |
SHA-256: bf3a5555980e401ae705a4d79d08e1c3c1d93892425e11294e0fc5d57cbe3041 |
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font_01_sfnt_off00006cc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CC2 | 9736 bytes |
SHA-256: 0c31291edb3fe4521d85b23eb075998f7770ccb8923fa5b57806a8961764de13 |
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