MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating malicious redirection and a link farm. The document body, though heavily obfuscated, contains a URL that matches one of the extracted malicious links. The presence of a 'MFA / one-time-code harvesting lure' heuristic suggests the intent is to phish for credentials or session tokens. The primary malicious URL identified is https://ttraff.club/pify?keyword=smart+assessor+app.
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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.club/pify?keyword=smart+assessor+app In PDF document text
- http://tosavidaf.theresajatko.com/uploads/1/3/1/0/131069934/8901281.pdfIn PDF document text
- http://xajetubuj.saltydogtactical.com/uploads/1/3/1/8/131857419/a9f75de4593.pdfIn PDF document text
- http://files.belindabucknell.com/uploads/1/3/1/3/131378975/tiborejotaxis.pdfIn PDF document text
- http://tegopem.grangerlandrfd.com/uploads/1/3/2/7/132741100/43a2b5bff.pdfIn 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/575363_d9fa279dc77545b7b4e881c3a8ad08ee.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6cf392_12bf6ed8536b4396b266cf8e463c3a00.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7041e4_9cc275c9b78c470283d10fc9da78e651.pdfIn PDF document text
- https://static.usrfiles.com/ugd/11f207_1d570b3a3dec40f2b1050080c95786b5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7ea8bb_0e4a0b407dc849628bc876aa284f2e20.pdfIn PDF document text
- https://static.usrfiles.com/ugd/191a6d_57120a4cf1754830936de286619e71e1.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6116da_9d04e760046f4216a5ab0e31dca33978.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_021dee25c95341489ef6f70a4491334d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c0b427_d4680483e34544f59aa6663fda75a259.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cb2bed_04fa02e3ec4942e58f5c4d5c60a332ed.pdfIn PDF document text
- https://static.usrfiles.com/ugd/41f880_bcaec4a3525f43a190e93096fff0caf5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_6aae4917859e4932aac2d8b100caaea6.pdfIn PDF document text
- https://static.usrfiles.com/ugd/229b11_76ed29915ad0417cb66c065ee1510f80.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ea78e0_8c551df383844dd281ffe094e373cdf9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a3b54b_282a0a659513454fae72934861c4038a.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_off000078ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78ED | 5036 bytes |
SHA-256: 6468e9b403bf35d67b0581fb258b6ac96af3dc66eedb1c4c507c32bcef84841e |
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font_01_sfnt_off000089f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89F0 | 10340 bytes |
SHA-256: 5cd9cf35c314df273809efecc1378965710ce09dc275b7c140f18e81c7905bc8 |
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