MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains lures related to financial documents and payment redirection, indicating a business-email-compromise or phishing attempt. It embeds a link to a redirector URL, `https://ttraff.cc/wix?keyword=trading+profit+and+loss+account+and+balance+sheet+in+excel+format+download`, which is flagged as malicious. The document also contains a large number of links to external PDFs, suggesting a link farm designed to improve SEO for malicious content. No scripts were extracted, but the overall pattern suggests an attempt to trick the user into downloading a malicious file.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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/wix?keyword=trading+profit+and+loss+account+and+balance+sheet+in+excel+format+download In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_c339c8983be644e3b4c99bf180b96e90.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e10ee5f6e76d49589f79dae644af953f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_e14af3858e1a4c8395955d88307a7e7a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0c268c_ea3abf69f28447bcbd3141d18b3d5cbe.pdfIn PDF document text
- https://static.usrfiles.com/ugd/856cea_79fbed8e88f841b5b2e4e9c0d2893b1e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c0b427_604bb6bab67c4430b8f81150fb5aa2d7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cfa91a_9c0116c22bac44eaac1e4a11062a3c9f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c8a981_cac0b4aa7b714931ba34db348e30cb27.pdfIn PDF document text
- https://static.usrfiles.com/ugd/429b25_f505a818416f4c1896ec562b642f8d26.pdfIn PDF document text
- https://static.usrfiles.com/ugd/80c1db_559cca73dbc64009a3b9c274f760ed99.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_c2a34f99e45c4631a1cac9d382272220.pdfIn PDF document text
- https://static.usrfiles.com/ugd/271e65_453f451ebe9d416984e59a2a8192462a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ce14f3_abaaf92dad084aedaa7767e2cc2e4d48.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ee6770_44b128acdc9649bea9aaea96d6785859.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_off00019071.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19071 | 5820 bytes |
SHA-256: 101c30bee81a96d90ff52b62943a89940a39916cd2d8f27c5da3683e1d794799 |
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font_01_sfnt_off0001a416.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A416 | 11088 bytes |
SHA-256: 5d4dd526560abe5c235b775e66ca4c9a807ab97d9b3550fe1a9aa56335cd2d4a |
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