MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. This URL is presented within the document's content, suggesting a social engineering lure to direct users to malicious infrastructure. The ML classifier also strongly indicated maliciousness. No scripts were extracted, limiting the analysis of specific payload delivery mechanisms.
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.ru/wb?keyword=report%20mars%20pathfinder%20priority%20inversion%20problem.pdf In PDF document text
- http://files.microneedleregulatory.org/uploads/1/3/0/9/130969209/giwuvizalapunemaf.pdfIn PDF document text
- http://files.jonbrittensofar.com/uploads/1/3/2/6/132681587/vibune_xareludakirokof_karixatisu.pdfIn PDF document text
- http://files.mystardustobservatory.com/uploads/1/3/2/6/132681698/c44caaac72fe.pdfIn PDF document text
- http://files.losaltosneighbors.com/uploads/1/3/1/0/131069812/9221943.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/1/0431/1370/9725/files/65047374984.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2354/9094/files/dofilefifozilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6845/7113/files/8157928313.pdfIn PDF document text
- https://medidiri.files.wordpress.com/2020/07/wuraxado.pdfIn PDF document text
- https://madadov.files.wordpress.com/2020/06/73798605548.pdfIn PDF document text
- https://xagonete.files.wordpress.com/2020/07/24168607443.pdfIn PDF document text
- https://rizuxagojagu.files.wordpress.com/2020/06/34279180353.pdfIn PDF document text
- https://dunuludujeza.files.wordpress.com/2020/07/wokavumatuveremikaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8026/9477/files/bogufegigug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84312174386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6965/3663/files/nuguguposorak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/68905528383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1482/3844/files/figumogoxemenoxas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4357/0343/files/fodusidizemewisuduzax.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_off00007f98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F98 | 5408 bytes |
SHA-256: 84624d6d90c074873d6495979690b5a5944abadee0480a4ac496243cc617b764 |
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font_01_sfnt_off000091da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91DA | 10420 bytes |
SHA-256: f7e32589e2b6b97cefc6480ba6a794010f4e9ba949f08850cc57d759662420af |
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