MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links, many of which point to a redirector service known for hosting malicious content. The document body, though partially corrupted, includes the URL 'https://ttraff.cc/pify?keyword=derive+joint+cdf+from+joint+pdf', which is flagged as a malicious redirector. This suggests the document is part of a link farm or phishing campaign designed to lead users to malicious sites, likely for malware distribution or credential harvesting.
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.cc/pify?keyword=derive+joint+cdf+from+joint+pdf In PDF document text
- http://files.thebioedge.com/uploads/1/3/1/4/131453247/sosimetenaserasozoga.pdfIn PDF document text
- http://files.johnsongardencenter.net/uploads/1/3/1/4/131483662/cf34d1.pdfIn PDF document text
- http://files.4th.mrslambsroom.com/uploads/1/3/1/3/131397938/32fc2b939599.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/1/0431/4287/3249/files/wujebowabejimozinobetale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4119/3110/files/fujavexogomof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8856/6677/files/6627019694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3034/7938/files/gukogowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2116/3941/files/novinenenak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8832/1437/files/arduino_uno_pin_description.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7868051279.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8266/1526/files/dozufidusifozifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9017/3349/files/kuditoresawodekulupelotob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0279/0039/files/pafexelawibidaron.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1701/7256/files/53281774776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7054/6335/files/21538092630.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2425/2055/files/polar_and_cartesian_coordinates.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007f92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F92 | 5016 bytes |
SHA-256: aa84181e566ea039d4b3824b13057b87cd0a1799fa4c84ee0078488ce8833670 |
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font_01_sfnt_off000090a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90A6 | 14500 bytes |
SHA-256: 85ecfdfbcfec321215a3895a1c831b3f982327b9bea8e47f7c55d30b044c30ec |
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font_02_sfnt_off0000be8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE8D | 16268 bytes |
SHA-256: f2f4e0122114c1816daa51f7260f1c888ba214d5879cb99462a3968212a29bdb |
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