Malicious PDF — malware analysis report

Static analysis result for SHA-256 700da98c4fafb26f…

MALICIOUS

PDF

38.0 KB Authoring application: Pdftk
MD5: 32a7e5bc719294ee0fc2f83cce642a83 SHA-1: 80927beb8d30256f04350ce09d5cc29710d5ff3f SHA-256: 700da98c4fafb26f8dd6582aea5582834fbbf41f20e253a56d4102ac1f5ed5d1
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The primary indicator is the presence of a large number of embedded external links, identified as a 'PDF_SEO_LINK_FARM'. These links likely serve to redirect users to malicious content or download further payloads. No scripts were extracted, but the structure suggests a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://camelcottage.com/uploads/1/3/0/5/130541402/lenetugi.pdf
    • http://www.bluebackfarms.com/uploads/1/3/0/2/130272415/9878707.pdf
    • http://mgfundraiser.com/uploads/1/3/0/5/130543488/cdf284d7a.pdf
    • http://bestgrownco.com/uploads/1/3/0/3/130323789/kisuvap-fakuvujirefu-leramipamix-xuturifata.pdf
    • http://lesliemarieinspires.com/uploads/1/3/0/6/130620506/9369acd2b7a664.pdf
    • http://customcateringco.com/uploads/1/3/0/5/130540874/5fb7f57aad0b276.pdf
    • http://thegutsykitchen.com/uploads/1/3/0/7/130776341/rewuletetefopo.pdf
    • http://davidfert.com/uploads/1/3/0/6/130605146/4357775.pdf
    • http://metalroofexpertwitness.com/uploads/1/3/0/4/130489080/datewizul-tovijujo-wapogogofuxej.pdf
    • http://www.tourswithjulez.com/uploads/1/3/0/6/130622083/gekovuzimi.pdf
    • http://ww38.brittanyfontana.com/uploads/1/3/0/2/130271184/foteviluwepopoxoxese.pdf
    • http://acceleratehomeservices.com/uploads/1/3/0/5/130588159/sewumis-womotufafi-figinapifonu-foponopixifefiw.pdf
    • http://logograms.net/uploads/1/3/0/6/130621581/zukinosinitemeludine.pdf
    • http://mohawklumbercom.com/uploads/1/3/0/7/130775730/6302d848ebfbb2f.pdf
    • http://accreteequitypartners.com/uploads/1/3/0/2/130292014/408071.pdf
    • http://lalaboutique.net/uploads/1/3/0/7/130739916/1554515.pdf
    • http://shippingresellers.com/uploads/1/3/0/7/130739038/guvodemokavekal-petabunufalo-gudolijovo.pdf
    • http://reedbailey.net/uploads/1/3/0/8/130813373/3981913.pdf
    • http://goodlyeats.com/uploads/1/3/0/7/130739663/b03c05ed4ff.pdf
    • http://mrspaynes.com.au/uploads/1/3/0/5/130551653/422ce96.pdf
    • http://kenya-help.org/uploads/1/3/0/6/130603945/wuwatokaxinitop.pdf
    • http://eileenplichta.com/uploads/1/3/0/2/130273899/1963288.pdf
    • http://webmail.gammaxiques.org/uploads/1/3/0/2/130289238/130289238.html#arduino+motor+shield+l293d+adafruit

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031bf.bin
014511e2bdf01fe3c4912dc5700b2785ff0b2180fce632abefc5a3f0086515b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31BF 8240 bytes

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