Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d70fe064357cd2f…

MALICIOUS

PDF

35.0 KB Authoring application: LibreOffice Draw
MD5: bf415528ed238318215a928abc973b65 SHA-1: 60b2afb8ee7d4831a0826e3aab9267811b68d57d SHA-256: 5d70fe064357cd2fc2f96ec6bc278ff9b26571b02fd627a091339bc55a849c42
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO poisoning or to distribute further malicious content. ClamAV detected this as Pdf.Phishing.TtraffRobotInstall, indicating a phishing or traffic redirection scheme. The document body, though heavily corrupted, contains references to 'Solving absolute value inequalities notes pdf', suggesting a lure to disguise the malicious intent.

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://www.stankarwoski.com/uploads/1/3/0/6/130639486/ritabutekefazoj.pdf
    • http://oneclickmarketingsolutions.com/uploads/1/3/0/4/130476266/2501491.pdf
    • http://jnrconstruction.net/uploads/1/3/0/7/130740000/mizebivamodopos_pevanejobo_towajaxonaworam.pdf
    • http://www.pamelaphillipsart.com/uploads/1/3/0/5/130538959/21a20ae4b4100e.pdf
    • http://lattesandmore.com/uploads/1/3/0/4/130435679/517d544d9a4.pdf
    • http://airflowservices.net/uploads/1/3/0/6/130620482/1847571.pdf
    • http://vniquedoll.com/uploads/1/3/0/7/130738871/seroded.pdf
    • http://jbheatonresearch.net/uploads/1/3/0/7/130776788/acbfcffead.pdf
    • http://leadsolo.com/uploads/1/3/0/5/130589444/1764174.pdf
    • http://golakeberryessa.com/uploads/1/3/0/7/130776757/5826902.pdf
    • http://www.ecconsultationllc.com/uploads/1/3/0/2/130288962/f1ea3dd83d74d17.pdf
    • http://abhijitp.net/uploads/1/3/0/6/130639924/20aaeaca.pdf
    • http://lesliehaddow.com/uploads/1/3/0/7/130739564/jojadis.pdf
    • http://crowdtrends.com/uploads/1/3/0/6/130640095/141103.pdf
    • http://www.paddingtons-pals.com/uploads/1/3/0/5/130590438/4594824.pdf
    • http://mychickenman.com/uploads/1/3/0/7/130739286/1811310.pdf
    • http://obrothersdetailing.com/uploads/1/3/0/7/130775551/4774120.pdf
    • http://www.videocontentstrategies.com/uploads/1/3/0/4/130488530/a8e02a46133.pdf
    • http://securgros.com/uploads/1/3/0/8/130813972/mugavukomujef.pdf
    • http://youversusyourself.com/uploads/1/3/0/4/130476454/bexeg-vibekokijolew-fudumerufexub.pdf
    • http://zhuanjia.bpmtc.com/uploads/1/3/0/6/130620902/130620902.html#solving+absolute+value+inequalities+notes+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000029e9.bin
782afa4f6c90f5a6c7f923ddb5463a87e88b5ca19eac49de27890901cdf7232a
pdf-font-stream PDF embedded font (sfnt) at offset 0x29E9 7700 bytes