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 numerous links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or traffic redirection. One critical heuristic indicates a direct link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though heavily corrupted, contains the URL that triggers the malicious redirector. The presence of a callback lure heuristic suggests a potential phishing or scam attempt.
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) 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=biological+wastewater+treatment+process+pdf In PDF document text
- http://files.shaunagoodingreiki.com/uploads/1/3/2/7/132740533/9a16e.pdfIn PDF document text
- http://files.chipperchadbourne.com/uploads/1/3/2/6/132681464/9455033.pdfIn PDF document text
- http://files.steplota.com/uploads/1/3/0/8/130814078/zizutafifinej-dudiz-tovisaxorito.pdfIn PDF document text
- http://files.silverstatesmenbarbershopchorus.com/uploads/1/3/1/8/131856122/juperu.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/1/0433/0687/7080/files/judegesuzopo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5955/9065/files/bartlett_s_bisection_theorem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3917/8399/files/medical_lab_technician_resume.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8620/9439/files/wusidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4403/5993/files/call_me_maybe._mp3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8085/1364/files/relul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7925/4694/files/56050565226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xokuwunojuvilil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5921/6537/files/83104639671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0675/3948/files/81948024492.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5150/7094/files/fixuruzosopijoreniromuda.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_off000066ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AE | 5616 bytes |
SHA-256: fcbeb42145a0d94af2f135e98a1a017c798f59b8006b230c3464e968b975577f |
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font_01_sfnt_off000079c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79C7 | 9892 bytes |
SHA-256: 98e41047bfae950e68eb2cd66f2d40ee65b0fcc49b75d9e9c149254444fa314b |
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