Malicious PDF — malware analysis report

Static analysis result for SHA-256 381c4f9d18545c43…

MALICIOUS

PDF

37.6 KB Created: 2020-06-07 18:24:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d62eb20edd7f7d4261afe685550b32a SHA-1: 7706cd83efb367e23c820cba4443f0b3551a384d SHA-256: 381c4f9d18545c439a2fb9013ee1d5d9870f2424c552e1afe522f83897b1b5c3
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body contains a fragmented message related to an iPhone call, likely a lure to encourage users to click on the embedded links. The primary intent appears to be directing users to a link farm for potential phishing or malware distribution.

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://halalwatchuk.com/uploads/1/3/0/5/130540286/130540286.html#iphone+l%2527%2527appel+annul%25C3%25A9+qui+signifie
    • http://shoesmenm1.com/uploads/1/3/0/6/130622011/206522.pdf
    • http://solasense.org/uploads/1/3/0/7/130775705/jodobunezas.pdf
    • http://makspecialtycleaning.com/uploads/1/3/0/2/130289765/8134158.pdf
    • http://rebecca-a-johnson.com/uploads/1/3/0/4/130477287/b2bcd1c5f21a14b.pdf
    • http://techwheelhouse.com/uploads/1/3/0/4/130476760/d432ceff0cd.pdf
    • http://superhgh.com/uploads/1/3/1/3/131384340/nifotifisuvuperize.pdf
    • http://sigroupusa.net/uploads/1/3/1/4/131438111/gabudamagolapu.pdf
    • http://grupodular.com/uploads/1/3/0/5/130551795/d55789aafbdcc.pdf
    • http://lindberghlightstheway.org/uploads/1/3/0/2/130288348/zimevo-sefekikegam-nomafa.pdf
    • http://chisaicritters.com/uploads/1/3/0/7/130739250/ba83c113d6aa7.pdf
    • http://incomebased.org/uploads/1/3/1/4/131437806/domululakawulo-wuxujedup.pdf
    • http://joshlemonsfitness.com/uploads/1/3/0/2/130272921/3af2a4512f69a7.pdf
    • https://viruligup.files.wordpress.com/2020/06/5829257328.pdf
    • https://noratum.files.wordpress.com/2020/06/80954285565.pdf
    • https://jafijokoretu.files.wordpress.com/2020/06/pabumisekelozosulusawon.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_off00006341.bin
f08701fc2798674251b61b9ce173e1efb9255cfaee8c93d2c7ff603e7113bc12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6341 11816 bytes

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