MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.001 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. This indicates the document is designed to lead users to a potentially harmful website. Additionally, a heuristic for a 'callback phishing phone lure' suggests a social engineering pretext. The document body, though heavily obfuscated, contains text related to a 'Thames water customer assistance fund application form', aligning with phishing or scam lures.
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=thames+water+customer+assistance+fund+application+form In PDF document text
- http://files.psfcfiji.org/uploads/1/3/1/4/131437283/dutuxopazaf.pdfIn PDF document text
- http://files.rwmassets.com/uploads/1/3/1/3/131379680/rosekesugi.pdfIn PDF document text
- http://files.childrenareourspecialty.com/uploads/1/3/2/3/132303092/310f90cbc6.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/1/0433/3069/9414/files/19237258715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1152/9114/files/gajeminegibozopip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6507/4086/files/8272131282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5847/0810/files/57868935410.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1870/6331/files/27665251666.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5702/8001/files/408851528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nidosavexurirevinuno.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7754/2823/files/todanotemepimujopefunik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/rupegoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4718/2759/files/goboka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2122/8442/files/dudigitatewogoremefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4022/6984/files/83121747842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6623/7852/files/70511404613.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2745/5382/files/77208403739.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_off00006746.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6746 | 5320 bytes |
SHA-256: 258ecacefd5976d4cf4e746d4b016ed8dd1c05ea991bbcab63df7daf79f29e29 |
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font_01_sfnt_off00007940.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7940 | 9620 bytes |
SHA-256: bd1fab03e257e9d3f0dacdc4186b9eec85c0d02e20b4c4e8f3b2b487bb3d79f4 |
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