Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe2aca803f2b3e48…

MALICIOUS

PDF

70.7 KB Created: 2021-03-21 22:46:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cc29dcc278dbbb4c2cb3227faee1f4a3 SHA-1: 514e6b9b75f68a59d813b1c030688f9e9c3879d7 SHA-256: fe2aca803f2b3e484ef5ff49c700c2cd6d06b7a60a38c25069d41cc5f0de81e0
156 Risk Score

Malware Insights

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

The PDF contains numerous external links, with one prominent URL pointing to a suspicious domain that appears to be part of an SEO spam or phishing operation. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. While no scripts were directly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small 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.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://maypoin.ru/wix?keyword=recaro+office+chair+conversion
    • https://vezijukifi.weebly.com/uploads/1/3/3/9/133997169/830802c2f8acff.pdf
    • https://segawalapuk.weebly.com/uploads/1/3/4/9/134902876/bofiditidu_vovoxifabi_jufafasiliraf.pdf
    • https://virobejiku.weebly.com/uploads/1/3/5/3/135324848/tipafegadewupem_pawivipojirir.pdf
    • http://zaxijejolegodur.iblogger.org/baova_ena.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fagorawed.rf.gd/23701567285.pdf
    • https://41c240d9-b4af-4f88-8fa4-2a41cce3a287.filesusr.com/ugd/01bc73_9bdeff0e75934e0e900c2520260b7fb5.pdf?index=true
    • http://papumubi.epizy.com/big_fish_movie_in_tamilrockers.pdf
    • http://gojexigubobe.epizy.com/28977774592.pdf
    • http://webenawawejoped.rf.gd/comptine_d_un_autre_ete_sheet_music.pdf
    • https://67dc9804-4028-4298-afd7-d431d2c16fe6.filesusr.com/ugd/559c84_3d60a8d412fe49e7b914539d17367eba.pdf?index=true
    • https://s3.amazonaws.com/xonaxevetaf/ac_market_apk_latest_2018.pdf
    • https://s3.amazonaws.com/gurafoga/2800372810.pdf
    • https://ba85394b-11ac-4ca4-926b-74ca936c52e1.filesusr.com/ugd/5ccfc8_cb22869a9bf643ecbc56c653b01ffb92.pdf?index=true
    • https://3c199e1c-ff83-4553-a351-db1e9419129c.filesusr.com/ugd/424a74_02073e78b3f748489238b8422d2a12e1.pdf?index=true
    • https://51bf459c-6b46-41b0-863f-532cf8a77e0d.filesusr.com/ugd/2eedf1_557d8e8322524ca0bd6367a00eaa7387.pdf?index=true
    • https://0e098354-e5d1-4afc-9be7-763a70ae5e44.filesusr.com/ugd/ef253e_ee145da6910641f188472fa0edeb2d9e.pdf?index=true
    • https://c07b3cb0-7d4a-4e65-9c62-eb3bd0ce3b6b.filesusr.com/ugd/7560d5_5dce7294ab3f40f89b2291855a3e7aa7.pdf?index=true
    • http://didewuwu.epizy.com/34812985881.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d2fe.bin
b7d1edd15db25dcd1e28df57a606f539a3cc9bf504f2df5bc28b438992f311af		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD2FE 5004 bytes
font_01_sfnt_off0000e40c.bin
73b9a11a1f4732f783c63e3920363a53222c8c276615d745f947aea4ba68aaee		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE40C 12716 bytes

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