Malicious PDF — malware analysis report

Static analysis result for SHA-256 e20db40bd46af29c…

MALICIOUS

PDF

38.8 KB Created: 2020-04-05 09:04:49 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5c45b24bc1d43dce29ee05ae317c863b SHA-1: 81dae837d9eb1a072cb85c03a1f33b64909d1fe5 SHA-256: e20db40bd46af29c6f7652cb77a6a870a03640eefb97f2ea1e6b2ddabcafd152
62 Risk Score

Malware Insights

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

The PDF document exhibits characteristics of a link farm, containing numerous external URLs. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a likely attempt to manipulate search engine results or distribute traffic to potentially malicious sites. The document body, though partially corrupted, contains some of the URLs, reinforcing the link farm pattern. 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://dawavesmokeshop.com/uploads/1/3/0/4/130489075/130489075.html#dimensiones+de+hofstede
    • http://todoriper.com/uploads/1/3/0/6/130604032/tenusevowenetapesat.pdf
    • http://kodcalifornia.org/uploads/1/3/1/4/131411600/foreg_xuwodujaxetevig.pdf
    • http://advancedconsumersolutions.com/uploads/1/3/0/6/130640023/gidefafaxure.pdf
    • http://pamdecorators.com/uploads/1/3/1/4/131437491/vudamekodapafe.pdf
    • http://evelettings.com/uploads/1/3/0/9/130969330/wudifokusirixup.pdf
    • http://shilor.com/uploads/1/3/0/6/130620698/tozevuwiwadamu_rurezidewa_pitivesexi.pdf
    • http://talatillpunkt.com/uploads/1/3/0/7/130775293/naxitediruzov.pdf
    • http://gwpdigital.com/uploads/1/3/0/2/130272640/tizuwilaj.pdf
    • http://hvrbusinesolutions.com/uploads/1/3/1/0/131071288/levamemuf_lefigevuviteziv.pdf
    • http://mystepit.com/uploads/1/3/0/3/130313405/6986252.pdf
    • http://dfsdailybest.com/uploads/1/3/0/4/130488754/musade_vagataziri.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_off00006edd.bin
849a06279caf71ed281f04708c7d26657c3c1ec63c7362f0d843db0cffc4a0e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6EDD 8236 bytes

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