MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a lure suggesting urgency and the need to install a remote support tool, likely to gain unauthorized access. It links to a malicious redirector at 'ttraff.ru' which is designed to lead users to further malicious content. The PDF also hosts a large number of links to other PDFs, potentially for SEO poisoning or distributing further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.ru/pify?keyword=teamviewer+for+mac+os+x+yosemite In PDF document text
- http://files.buildingmentalhealth.net/uploads/1/3/1/4/131408068/kadokokanobavirowe.pdfIn PDF document text
- http://files.decojewelry.net/uploads/1/3/1/8/131856200/6831911.pdfIn PDF document text
- http://files.ballyhoo.ca/uploads/1/3/1/4/131453944/8942757.pdfIn PDF document text
- http://files.hiringandhousingforum.com/uploads/1/3/1/8/131871919/2501130.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/1/0434/1478/2119/files/rimokofepobukoregukena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5415/4406/files/38048159107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5031/1579/files/42802222887.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3638/5175/files/gujef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6910/4540/files/89784915123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5086/8646/files/fagesul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9715/3943/files/botivofuwiravuxogakez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4024/files/64367063668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45366335679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6439/2866/files/nazavotoziw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6866/1660/files/xipumimisojekozufi.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_008_off0000d0f2.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xD0F2 | 23584 bytes |
SHA-256: f46245d7653bd21c6a9779bea56d65d2e6d5b4a2e3eda8953a639cd1d35389f2 |
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font_00_sfnt_off00009c5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C5D | 4948 bytes |
SHA-256: f38d33463bed4f195292ea62be6624ead1079cd31082fa8abb9e059e0a591765 |
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font_01_sfnt_off0000ad4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD4C | 10388 bytes |
SHA-256: b287493a213d07c31c8bf76a0164962ce30a80624549f7cec6cf845e073b33e8 |
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