Malicious PDF — malware analysis report

Static analysis result for SHA-256 3439d1066d466880…

MALICIOUS

PDF

34.2 KB Authoring application: PDFBox
MD5: 08ed1941703869639ccd00a49d595d82 SHA-1: b4103330557625a1cac42a682d8fc5bec51b0a7a SHA-256: 3439d1066d46688085a92436d4bcf56aa58af2879129efe8477f2ecadd008ded
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm, which is a common technique for distributing malicious content or directing users to phishing sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. No scripts were extracted, but the embedded URLs are the primary indicators of compromise.

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://mackenzieemievents.com/uploads/1/3/0/7/130775470/c4576a7f4d5618.pdf
    • http://www.bqmedia.net/uploads/1/3/0/4/130488442/6223329.pdf
    • http://mikemcman.com/uploads/1/3/0/5/130551008/d6b8cb67d.pdf
    • http://vixenpromakeup.com/uploads/1/3/0/2/130271081/suzedafukogif.pdf
    • http://amysbargainoutlet.com/uploads/1/3/0/5/130545733/datujeguzanol.pdf
    • http://alicornapothecary.com/uploads/1/3/0/7/130740128/7ee081b81c8056.pdf
    • http://beebear.com/uploads/1/3/0/2/130291910/vijozuxaw.pdf
    • http://sportyogalady.com/uploads/1/3/0/3/130313021/3041534.pdf
    • http://allsd.co.nz/uploads/1/3/0/5/130588389/luzoneniver.pdf
    • http://bestflooringco.com/uploads/1/3/0/4/130493037/jimizatilure.pdf
    • http://mail.fishkillgolf.com/uploads/1/3/0/4/130435851/a726ef38.pdf
    • http://www.honestlyyou.blog/uploads/1/3/0/4/130493893/f509f9b.pdf
    • http://openldap-builds.com/uploads/1/3/0/5/130589396/kawozekudow.pdf
    • http://cjcireli.com/uploads/1/3/0/3/130323298/4b535f8.pdf
    • http://www.catalynaclothing.com/uploads/1/3/0/5/130546880/b12833b0acf4202.pdf
    • http://insureyourjob.com/uploads/1/3/0/7/130776828/xugoxov_jakujefiwokoni_barijivogevod.pdf
    • http://standardproductions.net/uploads/1/3/0/5/130542775/1552129.pdf
    • http://www.eateryrealfood.com/uploads/1/3/0/7/130775366/4910530.pdf
    • http://www.pascalmiehe.com/uploads/1/3/0/8/130873876/2641193.pdf
    • http://healthycarolinas.com/uploads/1/3/0/8/130873982/a7c9bb11d93cf.pdf
    • http://witherlysgreenhouse.com/uploads/1/3/0/7/130740624/130740624.html#accelerometer+android+programmatically

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002570.bin
acf8ca5e023fa727a706327c337356be7ae46934d47c475ac24d52dd6cf74aa5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2570 8128 bytes

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