Malicious PDF — malware analysis report

Static analysis result for SHA-256 22de820230c47bc0…

MALICIOUS

PDF

33.0 KB Authoring application: Smallpdf Desktop
MD5: 481af2c1bba7d97c3d8eb8216f0416eb SHA-1: a34ccf34ca2580b05179f15381e47c6881fdd06f SHA-256: 22de820230c47bc03166d712ddd11cd72feb5625a8e648c715d5ee5ee8d5b654
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This behavior is indicative of a link farm or a phishing campaign designed to redirect users to potentially malicious content or manipulate search engine results. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious classification. No scripts were extracted from this sample.

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://jlrenobation.com/uploads/1/3/0/3/130379821/7693070.pdf
    • http://www.mammaghent.com/uploads/1/3/0/5/130546392/xulomojet-kesitixanumudax-birekuwo.pdf
    • http://aelianfinance.com/uploads/1/3/0/5/130550876/baxurabedum.pdf
    • http://backandbarberingstudio.ca/uploads/1/3/0/2/130289266/b5c0505952cc.pdf
    • http://robotitechnologies.com/uploads/1/3/0/2/130288729/fedotuwamoma.pdf
    • http://bloomsouthernafricapvtltd.com/uploads/1/3/0/5/130541600/a4683.pdf
    • http://my-genuine-life.com/uploads/1/3/0/4/130435813/sutubem.pdf
    • http://bannerfm.com/uploads/1/3/0/2/130270945/c9c446e.pdf
    • http://simixacceramiccoating.com/uploads/1/3/0/5/130551386/f1af28b708.pdf
    • http://canbabaoglu.com/uploads/1/3/0/7/130739934/6101656.pdf
    • http://alternativesassessment.org/uploads/1/3/0/5/130589231/65bd3f3.pdf
    • http://youthcount2019.info/uploads/1/3/0/7/130739261/tupidupulafowogiz.pdf
    • http://good2go-go.com/uploads/1/3/0/5/130589000/fupukodoletevuwu.pdf
    • http://hostmaster.helenmorley.org/uploads/1/3/0/3/130379248/1167234.pdf
    • http://cliniqueeducosante.com/uploads/1/3/0/5/130551339/zovixakezeja.pdf
    • http://lilscholarstoo.com/uploads/1/3/0/2/130289760/pifuxo.pdf
    • http://vietcryptonews.com/uploads/1/3/0/5/130551006/1aceaf4b5f9.pdf
    • http://greysay.tech/uploads/1/3/0/6/130621646/pinezu.pdf
    • http://studiomaisonbejart.com/uploads/1/3/0/2/130272582/feguxiz-dulubivatuji.pdf
    • http://nurturingyourmystic.com/uploads/1/3/0/4/130435531/1092602.pdf
    • http://sunflowersignstudio.com/uploads/1/3/0/5/130551343/f79f7e8ef6a627c.pdf
    • http://vichoscarheaven.co.uk/uploads/1/3/0/5/130539440/sajidumopige.pdf
    • http://www.pumpdinc.com/uploads/1/3/0/2/130270934/8547098.pdf
    • http://webmail.dickersongreenseminary.org/uploads/1/3/0/5/130539676/130539676.html#exercices+sur+l%27argumentation+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001e5f.bin
bda9934e80e60cc007159f247dc4d1bd8b62b71c816965f4463ffc9361069040		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1E5F 8348 bytes

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