Malicious PDF — malware analysis report

Static analysis result for SHA-256 e41387df9d051a14…

MALICIOUS

PDF

37.4 KB Created: 2020-05-19 06:00:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59a8cb2183522d5e3c623a9ff3f57295 SHA-1: 6af26ad5a0ec50a95ca36be4d718fc4221c2974c SHA-256: e41387df9d051a147c8bbbd83040bb49c24d5925644dcc14d61c7b2a307390cf
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, a common tactic for SEO poisoning or driving traffic to malicious sites. The heuristic PDF_SEO_LINK_FARM specifically identifies this behavior, indicating a likely attempt to lure users to a network of linked content. No scripts were extracted, and the document body is heavily obfuscated, making it difficult to determine a more specific lure.

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://poldregt.nl/uploads/1/3/0/9/130969586/130969586.html#sigil+of+the+claw
    • http://albemarledwi.com/uploads/1/3/1/3/131398323/7177355.pdf
    • http://iwakeupwithmakeup.net/uploads/1/3/0/5/130539697/kubunox.pdf
    • http://idbychloe.com/uploads/1/3/1/3/131383681/d60215f9b3cb908.pdf
    • http://csecsearch.net/uploads/1/3/0/7/130738924/9861348.pdf
    • http://trkbuildinggroup.com/uploads/1/3/0/6/130621459/pujiru.pdf
    • http://lifteens.com/uploads/1/3/0/7/130775753/3664775.pdf
    • http://genpex.org/uploads/1/3/0/5/130589322/10d4d8e527073.pdf
    • http://longcoatshepherd.com/uploads/1/3/0/5/130551423/1f066730761908b.pdf
    • http://sampicklesvideography.com/uploads/1/3/0/6/130604011/952cd746.pdf
    • http://paulinefonzi.com/uploads/1/3/0/8/130814296/41c41.pdf
    • http://shuoacademy.com/uploads/1/3/0/9/130969489/9218951.pdf
    • http://allaboutthedogs.net/uploads/1/3/0/5/130589209/malisolos_wosan_wokagosa.pdf
    • http://appabledigital.com/uploads/1/3/0/7/130739891/biliveluto.pdf
    • http://tallywolfe.com/uploads/1/3/0/8/130874012/lawidisudibeguma.pdf
    • http://howtimeflieslse.com/uploads/1/3/1/1/131164011/zaxetufokixifa_joxitesakijo.pdf
    • http://badgercreekbookkeeping.com/uploads/1/3/1/4/131437886/mefode-gikavubo-talerasoli-fojibojir.pdf
    • http://mediekonsulenten.no/uploads/1/3/1/1/131164054/5e18b3.pdf
    • http://herbalfacefoodus.com/uploads/1/3/1/8/131856715/7637578.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_off000065ee.bin
f9481c9bec59e8f67a4286bcc545c7865c5ee03c87bd24ffa43e23d76db37e97		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65EE 10628 bytes

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