Malicious PDF — malware analysis report

Static analysis result for SHA-256 2733d175df178890…

MALICIOUS

PDF

30.3 KB Created: 2020-04-10 16:11:20 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3b2b5775118bfcdae5ec1a477c9d8e97 SHA-1: dd98c183ccd221ba3d7b538248b4ff12b3e3a29d SHA-256: 2733d175df178890713c27efa07c260f755fa800b123277b379b35d26981cae8
62 Risk Score

Malware Insights

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

The PDF document is disguised as a manual for Bose QuietComfort 35 II headphones, but its primary function is to act as a link farm. It contains numerous embedded URLs pointing to other PDF files hosted on various domains. This technique is often used to distribute malicious content or to engage in SEO manipulation for malicious purposes.

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://photoandpixels.com/uploads/1/3/0/6/130621772/130621772.html#bose+quietcomfort+35+ii+manual+pdf
    • http://asplashofpoetry.com/uploads/1/3/0/3/130379135/panitases-titavapipe-rexijufenid-vason.pdf
    • http://keepitdear.com/uploads/1/3/0/3/130313454/1073087.pdf
    • http://egschulzww2veteran.com/uploads/1/3/0/2/130272505/7006868.pdf
    • http://colemanlegalpllc.net/uploads/1/3/0/7/130738524/928fbafa14.pdf
    • http://nanamom.org/uploads/1/3/0/6/130603767/8371036.pdf
    • http://digijonessolutions.com/uploads/1/3/0/5/130588591/wolobi-wefur-kavod.pdf
    • http://nicolemajdali.com/uploads/1/3/1/3/131384171/kawinufebizekum.pdf
    • http://525publishinginc.com/uploads/1/3/0/7/130739330/roganoxagov_pizuxijizi_tesapowopa.pdf
    • http://healthyeatingandliving.org/uploads/1/3/0/3/130323803/bokamituzeku_kedubokura_suvul.pdf
    • http://robinzlantz.pink/uploads/1/3/1/0/131070574/44637696b51e.pdf
    • http://solmategroup.eu/uploads/1/3/0/6/130605312/91b07.pdf
    • http://hostalgracielaoruro.com/uploads/1/3/0/2/130270893/sixizamom.pdf
    • http://littlewithstyle.net/uploads/1/3/0/6/130622027/d757e87fa22d1.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_off000051d0.bin
c53d75aa35249099dc12098fb816e6a167f201decbc16c277bf50f8e7fe75d4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51D0 6672 bytes

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