Malicious PDF — malware analysis report

Static analysis result for SHA-256 9014d1be2561b6b4…

MALICIOUS

PDF

87.1 KB Created: 2020-12-27 20:57:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e7143504c611302bc6b18d910b00b833 SHA-1: 1e4b2d5414b1731da7db953621d1266b92ba0c18 SHA-256: 9014d1be2561b6b4ec391a00a370721bc8511d5440b2d258ff9fad36a59a1242
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple links to external websites, with one specifically identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' and the ML classifier output strongly indicate malicious intent. The document body, though heavily obfuscated, contains text related to 'talking panda mod apk', suggesting a lure for potentially unwanted software or malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF 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.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://traffmen.ru/strik?utm_term=talking+panda+mod+apk
    • https://cdn.sqhk.co/jevipugirofi/ijUygc8/bawomaxuvigepoj.pdf
    • https://gumakamatiz.weebly.com/uploads/1/3/4/6/134600955/pipubikazap.pdf
    • https://cdn.sqhk.co/gikunixa/igcuQhd/sonny_and_cher_the_beat_goes_on_live.pdf
    • https://cdn.sqhk.co/solumapidema/iuhbugc/warfighting_functions_army_ppt.pdf
    • https://cdn.sqhk.co/zafupusapun/XBjf6ZQ/ruziletiruvubeb.pdf
    • https://cdn.sqhk.co/kukusagufo/aDihCab/video_player_app_for_iphone_4s.pdf
    • https://dubakaxejevam.weebly.com/uploads/1/3/2/6/132696109/kevorijisixojup.pdf
    • https://xovifare.weebly.com/uploads/1/3/4/5/134524114/lunazeb.pdf
    • https://viwutexotopuj.weebly.com/uploads/1/3/4/5/134522905/6590265.pdf
    • https://sebidodeg.weebly.com/uploads/1/3/4/4/134438526/36bec406a3b414.pdf
    • https://wepebagelokej.weebly.com/uploads/1/3/4/5/134583559/gelaz_tikemug_gasutama.pdf
    • https://minadefimufev.weebly.com/uploads/1/3/4/6/134635785/vitujoxakuxuzeti.pdf
    • https://cdn.sqhk.co/mubafazus/Qhbwizi/13820622822.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/99df8f71-b599-483f-be42-240972f1bf6a/ap_bio_chapter_8_study_guide.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e6ce.bin
f697df95fbb5f465215ad6a30bab275643d0caad0c1da822ef4bfda38a6ca83b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE6CE 4608 bytes
font_01_sfnt_off0000f641.bin
f6e6e6a07710afafcdc44e41c637e2c927e26c44588270e863061fd889b89881		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF641 3360 bytes
font_02_sfnt_off00010373.bin
c6189107b278800432a207b939e0a2acab43155202fdfc25e71a1922649bce94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10373 10776 bytes
font_03_sfnt_off00012871.bin
1824861175e6d100a2183481dc3850b78981993fe185294d59266fd22e85d5d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12871 16596 bytes
font_04_sfnt_off00013f05.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13F05 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.