MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body text and a critical heuristic indicate a callback phishing lure, specifically mentioning 'cancel avast cleanup'. The primary malicious URL identified is https://ttraff.cc/pify?keyword=cancel+avast+cleanup, which is likely used to redirect the user to a malicious site. The presence of numerous PDF links, many hosted on Shopify, suggests a link farm or distribution mechanism.
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.cc/pify?keyword=cancel+avast+cleanup In PDF document text
- http://files.feilonglight.com/uploads/1/3/2/6/132696117/goronijiwi.pdfIn PDF document text
- http://files.wheelhousetheater.org/uploads/1/3/0/7/130739906/2386112.pdfIn PDF document text
- http://files.rwgroves.com/uploads/1/3/2/3/132302859/xuzugoj.pdfIn PDF document text
- http://files.actorheadshotphoto.com/uploads/1/3/2/6/132695325/bf296ccd5c.pdfIn PDF document text
- http://files.kristamasonyogafitness.com/uploads/1/3/1/6/131606289/7238120.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/1/0427/9091/2159/files/numorudivigamiwefakum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6371/9574/files/swanson_speed_square_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/27482348981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4156/2522/files/move_file_in_linux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0364/0993/files/51378717526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3187/2166/files/karcher_pressure_washer_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7599/3764/files/61318051594.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2096/6298/files/52333430839.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3831/7464/files/ligipavo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7404/3556/files/58936087871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2693/9042/files/74041892985.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_off000061f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61F2 | 4796 bytes |
SHA-256: 835d4a85894fbd6cf1561777cbf252f1d0b2f71aca0dfc2f4d7382fa80d7d239 |
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font_01_sfnt_off00007257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7257 | 9996 bytes |
SHA-256: ec9afb08fbb7b3dc008edc64a9250ad304dd33795aed7d30bbda478fbfb4e226 |
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