Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d5d1094ff22f1fe…

MALICIOUS

PDF

20.0 KB Created: 2020-03-18 03:18:25 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7a5b34174e9a70c72c63fb76943b10d3 SHA-1: 8070270c46e59b16c3dda288abcd18da3a5313eb SHA-256: 7d5d1094ff22f1fe024283cc553b345f40482d942bd8cc4a38da1df3e2d8a738
82 Risk Score

Malware Insights

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

The PDF is identified as an image-only document designed as a lure, typical of phishing campaigns. It contains a large number of external links, many pointing to other PDF files, suggesting a link farm or SEO poisoning tactic. The primary URL, http://dreamcakesbydeb.com/uploads/1/3/0/2/130271207/130271207.html#expositor%27s+bible+commentary+pdf+download, is presented as a download for a Bible commentary, but is likely a malicious redirect. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 19 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://dreamcakesbydeb.com/uploads/1/3/0/2/130271207/130271207.html#expositor%27s+bible+commentary+pdf+download
    • http://www.alamopost2events.org/uploads/1/3/0/7/130738863/filirabajijolutolof.pdf
    • http://ashleighvaillancourt-winebrenner.com/uploads/1/3/0/9/130969723/derafafebopitolaxiw.pdf
    • http://www.arfpetfoods.ca/uploads/1/3/0/3/130313619/piwuxefiwubuzapapoda.pdf
    • http://winchesterrobotics.org/uploads/1/3/0/4/130476885/7513325.pdf
    • http://insidedentalequipment.net/uploads/1/3/0/2/130289735/ce837.pdf
    • http://www.tbodesigns.ca/uploads/1/3/0/8/130874583/zuvene.pdf
    • http://wildoncherrysalon.com/uploads/1/3/0/8/130814513/nifase.pdf
    • http://cambridgecec.com/uploads/1/3/0/7/130776221/1974200.pdf
    • http://dev.moabgear.com/uploads/1/3/0/6/130639408/584624.pdf
    • http://halifaxteam100.com/uploads/1/3/0/6/130621043/baxemelafu-dovogek-jatesanot-rulijorupe.pdf
    • http://www.bath100.org/uploads/1/3/0/2/130288427/649f4f648d.pdf
    • http://camdentcare.com/uploads/1/3/0/4/130492127/6231080.pdf
    • http://www.studiobapparel.com/uploads/1/3/0/7/130775180/6133155.pdf
    • http://hostmaster.sillymoos.co.uk/uploads/1/3/0/4/130476208/tefudo.pdf
    • http://celinacares.com/uploads/1/3/0/3/130323596/583497.pdf
    • http://mycorporateteambuilding.com/uploads/1/3/0/7/130776100/vibubu.pdf
    • http://www.giselledias.com/uploads/1/3/0/3/130313613/9765794.pdf
    • http://buffalohandymen.com/uploads/1/3/0/8/130813765/xamigumuxetul_novupu.pdf
    • http://oppenheimerindustries.com/uploads/1/3/0/4/130476104/bugokijemevuzaz.pdf
    • http://contemporaryedsolutions.com/uploads/1/3/0/6/130620868/3524929.pdf
    • http://mandurahsoloparents.org/uploads/1/3/0/3/130379181/koduzanol-sakoleriguzig-lovemomabumezoj.pdf
    • http://morbid-obesity.info/uploads/1/3/0/6/130604973/7cbe306ffb6c6d.pdf
    • http://foundationschildcarellc.com/uploads/1/3/0/5/130546657/1129174.pdf
    • http://toscanoconstruction.com/uploads/1/3/0/2/130289367/8192696.pdf
    • http://thedreamjobsystem.com/uploads/1/3/0/6/130639467/4127092.pdf

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