Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe5b374b38155bd3…

MALICIOUS

PDF

35.5 KB Authoring application: OpenOffice Draw
MD5: 462c20df5caa0ed0cb6a7fe7b3c1608d SHA-1: 4d0af34c3e5cd0ee656b5a92dcf3edbea5cd629b SHA-256: fe5b374b38155bd35ce887d3d9dd5b2053036a9e7490669505dc70186a4e62b5
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, characteristic of a link farm designed to direct users to malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports its malicious nature. The document body, though partially corrupted, suggests a lure related to English words, likely a pretext to disguise the malicious intent of the embedded links.

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://trade-city-award.org/uploads/1/3/0/3/130379447/kubol-ratogefogatek.pdf
    • http://segwayaspen.com/uploads/1/3/0/7/130776555/xolura-nokurizozet.pdf
    • http://www.somervillelandscapeandtree.com/uploads/1/3/0/4/130476481/3811544.pdf
    • http://www.nakitahogans.com/uploads/1/3/0/6/130639068/xakusudiwomejo.pdf
    • http://aitsena.com/uploads/1/3/0/7/130775971/pavob.pdf
    • http://pdalethomas.co.uk/uploads/1/3/0/7/130774970/duxeneso.pdf
    • http://propriuslearning.org/uploads/1/3/0/3/130379167/e976be8b89c1.pdf
    • http://rep-christ.com/uploads/1/3/0/6/130621531/2145071.pdf
    • http://satromforhouse.com/uploads/1/3/0/2/130289304/d3ca0e9dd2.pdf
    • http://www.quintagieden.com/uploads/1/3/0/7/130738615/e6f7e31c.pdf
    • http://host10.carmichaelnl.com/uploads/1/3/0/5/130590474/130590474.html#new+words+with+their+synonyms+and+antonyms
    • http://www.somervillelandscapeandtree.com/upl

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033b4.bin
b42e98c9038d2754f58d716cff12eadbd5e602c74caadaba71979d8f7b06a8d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33B4 8260 bytes

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