Malicious PDF — malware analysis report

Static analysis result for SHA-256 493d00adf39e90e8…

MALICIOUS

PDF

48.0 KB Created: 2020-05-17 00:55:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5369ff2fed1e8311137c93e120ce3e33 SHA-1: 3d2c1f717d4475b58d84215fe03a672cc19b34d5 SHA-256: 493d00adf39e90e8f9f7461df6afc6b8a6b2e4a821390d6829bda4b5a48ffc2f
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to other PDF files on different domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The document body itself contains garbled text but includes the primary URL, suggesting the user is intended to click through to external resources. 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://alfornohk.com/uploads/1/3/1/3/131398452/131398452.html#meaningful+report+card+comments+for+improvement
    • http://vintagehomedecoroldsaybrook.com/uploads/1/3/1/4/131452884/3007314.pdf
    • http://lotsforsalellc.com/uploads/1/3/0/7/130739081/rapibetafete-nepalizebugonu.pdf
    • http://ratingburgers.com/uploads/1/3/0/4/130489909/xafasafisuxoxiro.pdf
    • http://anilpatrickpatel.com/uploads/1/3/1/0/131070291/buxidezawegu.pdf
    • http://javasisters.com/uploads/1/3/0/7/130775536/04f9fa59a8c2c03.pdf
    • http://ooluk.com/uploads/1/3/0/7/130776254/sutilak-lulativoluded-vovus.pdf
    • http://vizora.org/uploads/1/3/0/4/130483561/2376583.pdf
    • http://mktransportandcontractinginc.com/uploads/1/3/0/2/130271184/6298391.pdf
    • http://testingoutasitebuilder.net/uploads/1/3/0/3/130313237/12b82647.pdf
    • http://wayofmagic.com/uploads/1/3/1/8/131871453/6785271.pdf
    • http://jrjstrategy.com/uploads/1/3/1/4/131453919/duzefesi.pdf
    • http://divasdominicanhair.net/uploads/1/3/0/3/130312991/2354282.pdf
    • http://sheillanjoto.com/uploads/1/3/0/7/130740420/sigizaso.pdf
    • http://bcmkinc.com/uploads/1/3/0/4/130476229/92f1665583.pdf
    • http://pinellaspaddlesports.com/uploads/1/3/1/4/131407011/jabesuk_xumod.pdf
    • http://mcsalesandservice.com/uploads/1/3/0/7/130776783/mezagabelopenesazom.pdf
    • http://thepowerofourwords.com/uploads/1/3/0/5/130539179/7786a08a07f87.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_off000090b3.bin
fdfa1e6817dc801893e49700cbb7b50ff6f46a1631861338ca558c12f28d6ed8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90B3 10380 bytes

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