Malicious PDF — malware analysis report

Static analysis result for SHA-256 de8bea2cadb9f471…

MALICIOUS

PDF

40.7 KB Created: 2020-05-20 17:45:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e425344f0db0ea69443e7a113045b94 SHA-1: 575b34a532e9fcd28ed9a7fea4fcb874bd4d370f SHA-256: de8bea2cadb9f471d0c2bc380b3cc8881de794f4f031dab0e58a533c671b17a8
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF document employs a link farm technique, embedding numerous external links disguised as content related to a Logitech adapter. The primary heuristic indicates a mass of external PDF links, suggesting a phishing or redirection attempt. The document body, though heavily obfuscated, contains URLs that are likely part of this lure. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://yousurecan.com/uploads/1/3/0/4/130483872/130483872.html#logitech+x+540+adapter
    • http://stmatthewstritons.com/uploads/1/3/1/4/131454986/c730768b1.pdf
    • http://samriggio.com/uploads/1/3/1/6/131636978/6431786.pdf
    • http://theuntold.net/uploads/1/3/1/6/131606347/9bbe69.pdf
    • http://cosmostrategies.com/uploads/1/3/0/6/130639377/nugoris.pdf
    • http://lions-zeist.nl/uploads/1/3/0/6/130604079/fofedobetaxufe.pdf
    • http://melissarmillerphotography.com/uploads/1/3/0/5/130544447/7067828.pdf
    • http://christinecarson.org/uploads/1/3/0/3/130323417/0410f49e.pdf
    • http://wakanow-affiliate.com/uploads/1/3/0/5/130539049/8490344.pdf
    • http://saramommen.com/uploads/1/3/0/6/130639456/kuxevanozem-jiwazusaxirufos.pdf
    • http://skarft.com/uploads/1/3/0/2/130291623/rapekojikuwi_nafakinoduvu_jezovawiwopaliw.pdf
    • http://threepointbasketball.com/uploads/1/3/0/6/130639374/wetesezup-pezoforu-kegemikozawuj.pdf
    • http://makingmusiconenoteatatime.net/uploads/1/3/0/5/130541763/2582702.pdf
    • http://sonicrepair.com/uploads/1/3/0/7/130738805/gefaluvobekif_noven.pdf
    • http://moresimplylifecoaching.com/uploads/1/3/0/6/130605504/6623928.pdf
    • http://recoletter.com/uploads/1/3/0/5/130551132/52d6984.pdf
    • http://bullmarketsomewhere.com/uploads/1/3/1/4/131452842/konewow.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/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000071c6.bin
329931d7427e2411c8a354f93cf4ac5b9db49294166560824941159ae9b50dd1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71C6 11096 bytes

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