MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a PDF link farm. One critical heuristic indicates these links point to known malicious redirector infrastructure, specifically 'https://ttraff.com/pify?keyword=pseudo+code+example'. The document body, though heavily obfuscated, also contains this URL and numerous other links to PDF files hosted on various domains, suggesting a coordinated effort to distribute malicious content or manipulate search engine results. No scripts were extracted, limiting the analysis of direct execution capabilities.
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=pseudo+code+example In PDF document text
- http://files.statebirdtogo.com/uploads/1/3/0/7/130775108/80bb7.pdfIn PDF document text
- http://files.broadwaysilkens.com/uploads/1/3/1/8/131871535/392921b79b5.pdfIn PDF document text
- http://files.derekcovingtonsmith.com/uploads/1/3/1/6/131637498/6e43dbf5ad10.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/1/0428/9835/8432/files/xigidewepiwunabifaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/24390977367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lojuxefututa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0812/3303/files/gopurevemi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9715/3943/files/tazusokirezupifigupuzefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4583/8234/files/67335798988.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52665001447.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/92602194779.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/dibupibunulefuxuxibevup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8462/8633/files/97344207714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/19395262282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/39454659722.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_off00006c71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C71 | 5192 bytes |
SHA-256: afbed6e384c0beb8687639a3ee6b9c30b736741e4f25a8a4a656da75b6410131 |
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font_01_sfnt_off00007e0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E0F | 10288 bytes |
SHA-256: e73f030138c2fac0edcf4f539107f3b68ef1806cf78e62087467566cca068d1d |
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font_02_sfnt_off0000a192.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA192 | 16292 bytes |
SHA-256: a901af60c43a3d1d2c73faf17f59d23bf7f00f3eb95c840d7b65a6fc22ad04a4 |
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