MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to distribute further malware or lead to phishing pages. The document body, though obfuscated, contains text related to a legal manual and the wkhtmltopdf tool, suggesting a lure to disguise the malicious intent. The presence of numerous embedded links to external PDFs, many hosted on Shopify, indicates a link farm or SEO poisoning tactic to improve search engine visibility for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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.com/pify?keyword=manual+de+direito+penal+parte+geral+cezar+roberto+bitencourt+pdf In PDF document text
- http://files.theventure.blog/uploads/1/3/1/6/131606923/2826909.pdfIn PDF document text
- http://files.befriends.org.uk/uploads/1/3/2/7/132710661/pisilunatasutur.pdfIn PDF document text
- http://bafukap.friendsofskihi.org/uploads/1/3/2/7/132740362/4643de316.pdfIn PDF document text
- http://files.ccplus10.org/uploads/1/3/1/6/131636725/876ce.pdfIn PDF document text
- http://files.apexvoterguide.org/uploads/1/3/1/4/131437306/pesutiridodumukokepi.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/1/0440/5913/2054/files/96256003498.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8512/8099/files/susefijulejinubajires.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5857/7051/files/54729041.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9839/7085/files/71022356920.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9137/7828/files/tiwowazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3505/7559/files/mysql_load_data_infile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3505/7559/files/rososetejopivuloxegep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1383/2857/files/rulirowesed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4963/8295/files/31216866674.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6832/5029/files/44424758774.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0092/2261/files/65498085273.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8201/4108/files/83105977113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3278/0701/files/nesegirepivosutukoforiru.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_off000047e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x47E9 | 5340 bytes |
SHA-256: 7bb2de524c76ee5776aab0346db4767e3c315a446b7005c2694e78d8df517fa3 |
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font_01_sfnt_off00005a38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A38 | 11788 bytes |
SHA-256: 5540928551d4845872be879e927ad0854cd72cf5fef52e66978bbf5a36b05b64 |
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