Malicious PDF — malware analysis report

Static analysis result for SHA-256 a745a722c2380ae6…

MALICIOUS

PDF

38.1 KB Authoring application: Scribus
MD5: 6a42f0bac9fe0c7bb6bc07c5bdb58075 SHA-1: 45d8ca13c3df619cf90f41535683884ef2e09dd8 SHA-256: a745a722c2380ae637a8a43889edeeacd7c713cbcf2e7d55b3ef1731590fd51a
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a phishing campaign. The ClamAV detection further confirms its malicious nature, classifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are the primary IOCs, likely used to redirect users to malicious content or to improve search engine rankings for malicious sites.

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://anchoredhomedesigns.com/uploads/1/3/0/3/130324112/potilok-vijume-lirob.pdf
    • http://streamlinedmfg.com/uploads/1/3/0/7/130739714/fff06f413836.pdf
    • http://link2yoo.net/uploads/1/3/0/7/130738637/9e4d33c11aada.pdf
    • http://loggingthemiles.com/uploads/1/3/0/2/130289375/668cdf.pdf
    • http://bellamayphotography.com/uploads/1/3/0/6/130621325/xasotajorituwo_kesepoxederi_zufosovuna.pdf
    • http://allergy.mediutopia.com/uploads/1/3/0/6/130604808/gugenalorolumaw.pdf
    • http://votepedrini.com/uploads/1/3/0/5/130589108/9642900.pdf
    • http://www.beautifullyseen.com/uploads/1/3/0/7/130776865/61f5cab8f43d.pdf
    • http://emilytiberio.com/uploads/1/3/0/6/130604777/mesen.pdf
    • http://acaccentsjewelry.com/uploads/1/3/0/4/130435972/jibazo_mudimomodeb_dixojinoforuku.pdf
    • http://signaturacollection.com/uploads/1/3/0/7/130775053/5830832.pdf
    • http://helpstagemyhouse.com/uploads/1/3/0/2/130289270/de3afa438b170.pdf
    • http://www.lalaland-jewelry.com/uploads/1/3/0/2/130289540/wodenoxefivan.pdf
    • http://healthcareanalyticsmergers.com/uploads/1/3/0/6/130639807/c319f9e90.pdf
    • http://alt-davos.net/uploads/1/3/0/6/130605146/d4fd5af67fd8.pdf
    • http://redesignyourlifestyle.net/uploads/1/3/0/9/130969551/18db24.pdf
    • http://naildbykk.com/uploads/1/3/0/7/130774972/xokorufab.pdf
    • http://danwashburn.org/uploads/1/3/0/7/130776787/6776048.pdf
    • http://mid-statesasphalt.com/uploads/1/3/0/5/130588842/wibagedo.pdf
    • http://taterbucks.com/uploads/1/3/0/2/130289344/xanaves.pdf
    • http://mail.uzimtukas.lt/uploads/1/3/0/5/130538987/8f30f2e4912.pdf
    • http://cornucopia-vintage.com/uploads/1/3/0/8/130813798/da9822f.pdf
    • http://rapkins.com/uploads/1/3/0/6/130621282/2c70e875.pdf
    • http://peckpeterson.com/uploads/1/3/0/5/130538902/1555367.pdf
    • http://encore00024.voyagerwebsites.com/uploads/1/3/0/7/130775372/130775372.html#how+to+add+textbox+on+google+docs+ipad

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031e0.bin
46769bdf3c792d76fa0a76a010d8c784db613888684582c863b0889897543929		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31E0 7864 bytes

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