MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious File
The PDF contains a malicious redirector link and a large number of embedded links, suggesting a link farm. The document body text and heuristic firings indicate a social engineering lure to install a "PDF file reader" or update, which is a common pretext for malware delivery or credential theft. The primary malicious URL identified is https://ttraff.cc/pify?keyword=pdf+file+reader, which is known to redirect to malicious infrastructure.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=pdf+file+reader In PDF document text
- http://files.fromtherootsuphealing.com/uploads/1/3/1/4/131453681/piterikagoje.pdfIn PDF document text
- http://files.nightsupakaroa.co.nz/uploads/1/3/0/7/130775292/zubezak.pdfIn PDF document text
- http://files.concreteparkingsolutions.com/uploads/1/3/0/7/130775888/7798113.pdfIn PDF document text
- http://files.wageandhourcalc.com/uploads/1/3/1/4/131411474/9503628.pdfIn PDF document text
- http://files.thefordhambleat.com/uploads/1/3/1/3/131380756/sujudiriz.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/1/0434/5954/3192/files/cutting_edge_intermediate_teacher_s_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0962/2687/files/zudabej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5725/9420/files/45991520235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0841/6165/files/logical_reasoning_questions_and_answers_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/14700598842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1758/4283/files/98778153757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7689/5398/files/93469525678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9570/4227/files/32117118203.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/fitizutoduwiwakali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/4855/3887/files/medio_isotonico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7081/6407/files/gojibujakiwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lejozusuxawunulimedobina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9302/5183/files/79339369690.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_off00007857.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7857 | 4724 bytes |
SHA-256: 567b49ef7112939be5a6f4fed2a4af5a68c3f165106cd0b28f88091d8b30d574 |
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font_01_sfnt_off00008870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8870 | 9812 bytes |
SHA-256: 56ed978906ce6140e66093d65db295d066f4e73c92441ebb2cb0626d1275a524 |
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