MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic identified a link to a known malicious redirector infrastructure, specifically 'ttraff.com', which is used to lure users with search-term-based keywords. The document body also contains the same search term, reinforcing the lure. The presence of numerous links suggests a link farm or SEO poisoning tactic to distribute 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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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/wb?keyword=pdf%20ocr%20open%20source%20windows In PDF document text
- http://files.wfshootout.com/uploads/1/3/1/3/131383823/majajojamobu-ligunazijefa-marapotu.pdfIn PDF document text
- http://files.elexadawson.com/uploads/1/3/0/7/130739328/bosev.pdfIn PDF document text
- http://files.sarahann-photography.com/uploads/1/3/1/8/131857847/gelogajaputal.pdfIn PDF document text
- http://files.trustandbelievefoundation.com/uploads/1/3/0/8/130874213/lisotikudosopi_wumolopoxexux_mamadaverigifa.pdfIn PDF document text
- http://files.statebirdtogo.com/uploads/1/3/2/7/132710687/a1b067.pdfIn PDF document text
- http://files.killjoy.info/uploads/1/3/2/8/132816158/444fa6d86d0810f.pdfIn PDF document text
- http://files.waltpadgett.com/uploads/1/3/2/3/132302998/c8a4c389ad.pdfIn PDF document text
- http://files.brushandbranch.co/uploads/1/3/0/7/130740344/2297158.pdfIn PDF document text
- http://files.artworkskenosha.net/uploads/1/3/1/1/131163740/55059f11c.pdfIn PDF document text
- http://files.streetambitionunited.com/uploads/1/3/1/3/131379115/jivemalegotojazuja.pdfIn PDF document text
- http://files.allroneofus.com/uploads/1/3/1/4/131406379/6c5280aa338e9b0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://mixanutiliba590569985.files.wordpress.com/2020/06/savobe.pdfIn PDF document text
- https://bamidepe.files.wordpress.com/2020/06/62832458221.pdfIn PDF document text
- https://vobadir.files.wordpress.com/2020/07/13784392368.pdfIn PDF document text
- https://ritagivizat.files.wordpress.com/2020/07/revimedesedeferaroxof.pdfIn PDF document text
- https://vaxunijigi.files.wordpress.com/2020/06/norubisujimimoguto.pdfIn PDF document text
- https://garuwade.files.wordpress.com/2020/06/48625317301.pdfIn PDF document text
- https://zelobakisalo511930088.files.wordpress.com/2020/07/58142724599.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zizamazigunonafimav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26433336276.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62042090741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23535065851.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zaduvezumutup.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_off00006fe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FE1 | 4800 bytes |
SHA-256: 9873bb66cc06ce646fc0cc4f204e9c811f99d911e6b0988bb88c71bd3f7513c9 |
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font_01_sfnt_off0000804a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x804A | 10088 bytes |
SHA-256: 176991c2272e828e41a19422a23513f12f8e58f2d81fd9d2dcf96b4a70584002 |
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