MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.ru) that is flagged as malicious. The document body, though heavily obfuscated, contains text that appears to be a lure for 'Acrobat reader pdf pro', suggesting a phishing or scam attempt. The presence of a 'download button' heuristic and a 'password-protected archive lure' further supports a malicious workflow designed to trick the user into downloading a payload.
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=acrobat+reader+pdf+pro In PDF document text
- http://xumagipi.sandsfoleyentertainment.com/uploads/1/3/1/3/131378814/buxixave_wawulewefenak_xifigaraguna_xesulegilexoraf.pdfIn PDF document text
- http://files.bestcprseattle.com/uploads/1/3/2/3/132302859/4922287.pdfIn PDF document text
- http://files.tresasbridal.com/uploads/1/3/1/4/131482975/544560.pdfIn PDF document text
- http://files.theverticalfiles.com/uploads/1/3/1/3/131398547/fivemimefuv.pdfIn PDF document text
- http://weviw.englandlab.com/uploads/1/3/0/7/130738647/milazakojume_pikilenexoxil.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/1/0432/3665/5259/files/amd-_action_downloadproduct_sp.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6381/2002/files/pabilogutakoxigup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2256/5032/files/zaforijobegunosiletipokim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1440/5793/files/personal_finance_tracker_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9885/7891/files/ssb4_legal_stages.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4533/6726/files/fufaxubakawugimabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0743/4142/files/kemonafonekuvovif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6387/8566/files/73783850149.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/1204/1367/files/17730810050.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2652/9956/files/barixekizunoloj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8345/4871/files/31837639952.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_off00006005.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6005 | 5068 bytes |
SHA-256: 9d4629a5314492b7a0ce44bc4ab3f9e214e266a8857dfbf03f6a4873878ab7dc |
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font_01_sfnt_off00007146.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7146 | 10372 bytes |
SHA-256: 9c195340fc564c0ad2d4fdb21cede77ad952e9b1266725b40bdcd517c85a6dc9 |
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