MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is further disguised as a free book download. The document also exhibits a PDF link farm heuristic, indicating a large number of outbound links, many of which point to Shopify domains hosting other PDFs. This suggests a campaign focused on driving traffic to potentially malicious content through deceptive means.
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=online+bangla+book+pdf+free+download In PDF document text
- http://files.leisterfund.org/uploads/1/3/1/4/131452952/vupilaxojudusa.pdfIn PDF document text
- http://files.cclrd.org/uploads/1/3/0/7/130740049/paxitemewuke-bikemibadojevuj-wulesuda.pdfIn PDF document text
- http://files.clast2019.com/uploads/1/3/0/7/130775868/towuz.pdfIn PDF document text
- http://files.motherwrenstudio.com/uploads/1/3/1/4/131408142/rawati.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/1/0435/3366/4408/files/95335771820.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9166/5830/files/73968645521.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8800/2710/files/tibomuted.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6325/4944/files/83490694992.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4901/5706/files/zojivurasoxajukasuzaleku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7767/1843/files/rekemifonikajigiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6671/0426/files/kifejebelivopagab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8789/6488/files/kusovozafajexemow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3526/3138/files/gufevomumuruvar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1162/0509/files/46606375607.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8721/6293/files/67494830132.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/87695317777.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A1A | 5060 bytes |
SHA-256: 3c9da25940efe8cd0678da1868032e2e8285bb1d006ee22be6c41e9bafcdbad8 |
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font_01_sfnt_off00007b62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B62 | 10648 bytes |
SHA-256: 03f41c8ec538b067fbf5e5517745be5e56a511052f2928c0f308cbbb698c0817 |
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font_02_sfnt_off00009c13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C13 | 15124 bytes |
SHA-256: 76efc3ce5b215c80a2b088b004ab59e372a88ae16c329294bf13fc45de8c478e |
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