MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, including one pointing to a known malicious redirector at 'https://ttraff.ru/wp3?keyword=atp+calendar+2014+pdf#atp+calendar+2014+pdf'. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic firing suggests a social engineering lure to trick the user into clicking the link. The document body, though heavily obfuscated, contains the URL and appears to be a lure related to an 'Atp calendar 2014 pdf'.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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/wp3?keyword=atp+calendar+2014+pdf#atp+calendar+2014+pdf In PDF document text
- http://cpcontacts.carrollprinting.com/uploads/1/3/0/2/130289242/6f04c.pdfIn PDF document text
- http://files.andryproperties.net/uploads/1/3/2/6/132681544/labejokegugawutoviw.pdfIn PDF document text
- http://available38.unix1.com/uploads/1/3/0/7/130775284/kosufef.pdfIn PDF document text
- http://mail.mentalis.info/uploads/1/3/0/6/130639552/tilafi.pdfIn PDF document text
- http://files.kylpinc.org/uploads/1/3/0/6/130604430/zakanokane-nexexevul.pdfIn PDF document text
- http://theherosheart.com/uploads/1/3/0/5/130539726/f5d4a.pdfIn PDF document text
- http://transformengineering.com/uploads/1/3/0/5/130540699/wulipamoderin.pdfIn PDF document text
- http://fhidiesel.com/uploads/1/3/0/5/130548039/pomudal-sorojisanef-wulelurutix-gomek.pdfIn PDF document text
- http://aceingenieria.com/uploads/1/3/0/2/130272283/5137116.pdfIn PDF document text
- http://latlongtraveldesigners.com/uploads/1/3/1/3/131382387/lanaxug-wemasogi-kenav-lalasemaf.pdfIn PDF document text
- http://amalficapitalfunds.com/uploads/1/3/0/5/130539019/lulonede.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kotiwemulu.files.wordpress.com/2020/06/31802376851.pdfIn PDF document text
- https://ferorobel.files.wordpress.com/2020/06/58583478748.pdfIn PDF document text
- https://kadawajoxezo.files.wordpress.com/2020/06/boziperazugikirugajeza.pdfIn PDF document text
- https://kizobixejir.files.wordpress.com/2020/06/60142953447.pdfIn PDF document text
- https://fakemoj.files.wordpress.com/2020/06/94277468322.pdfIn PDF document text
- https://kafafawabeso511102548.files.wordpress.com/2020/06/99190582575.pdfIn PDF document text
- https://piputefanag.files.wordpress.com/2020/06/dekuvezozuf.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_off00013763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13763 | 5004 bytes |
SHA-256: c4e1abec27b5f324834d17ee33bb8a509fbdabebe48399bb9092cbc7a28b2672 |
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font_01_sfnt_off00014871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14871 | 17476 bytes |
SHA-256: f3d8c5a09c8ac5f871634bb5d60b7ad11d97c8b698f92bd8478a051aa140519f |
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