Malicious PDF — malware analysis report

Static analysis result for SHA-256 f616fb5826150749…

MALICIOUS

PDF

40.8 KB Authoring application: PDFBox
MD5: 5877b0e15033faac4e6d00a174b6888a SHA-1: de6e9d45e04d23fb5d1d3b8cd51520edd3bf59a4 SHA-256: f616fb58261507497f6ae66626d85278436dbc0a8fa4b69aca69f77c6785b03d
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, constituting a link farm. This is indicative of a phishing or redirection campaign, aiming to lure users to external malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. No scripts were extracted, and the document body contained mostly garbled text and URLs.

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://mothcrafted.com/uploads/1/3/0/4/130483368/vapofukez_jerulorefegesof_gosopifiruw_lufilusaba.pdf
    • http://gimajiv.bloger.pw/uploads/2020/01/28/topofogevegis.pdf
    • http://myroyaltonwedding.com/uploads/1/3/0/2/130271205/49de4b8b2.pdf
    • http://daviddegennaro.com/uploads/1/3/0/2/130287873/9416467.pdf
    • http://webu.james-read.com/uploads/2020/01/28/dofofanak.pdf
    • http://jccoach.com/uploads/1/3/0/5/130588407/7c2f068f87.pdf
    • http://nintaipartners.com/uploads/1/3/0/4/130488172/fb9b2.pdf
    • http://amcdistribution.ca/uploads/1/3/0/4/130488884/1bcce.pdf
    • http://resortvacationsforless.com/uploads/1/3/0/5/130539428/15242.pdf
    • https://vulaluka.weebly.com/uploads/1/3/0/5/130589049/nexilizefik.pdf
    • https://navimigid.weebly.com/uploads/1/3/0/6/130604511/1147063.pdf
    • http://pinupanddance.com/uploads/1/3/0/3/130313213/33ce8.pdf
    • https://vukerikokuw.weebly.com/uploads/1/3/0/5/130551534/ravobizunubut.pdf
    • http://vega-music-group.com/uploads/1/3/0/2/130289163/fiwir-lofane-vegenavafelup.pdf
    • http://allstarroad.com/uploads/1/3/0/4/130483146/876546b5e8201.pdf
    • http://penncrossknoll.com/uploads/1/3/0/5/130551585/dibugu_nitutoxonegumem.pdf
    • http://plumasarts.com/uploads/1/3/0/4/130435574/5713454.pdf
    • http://quillskywritings.com/uploads/1/3/0/4/130435672/kitobatofamuxi.pdf
    • http://rojosasu.sticken.tech/uploads/2020/01/27/roget.pdf
    • http://childhoodwarrior.com/uploads/1/3/0/6/130603815/pixosirobop.pdf
    • http://supplementsformedicare.com/uploads/1/3/0/6/130604445/095a339.pdf
    • http://1551nbr.com/uploads/1/3/0/5/130543476/gedoxanis_ponaseranu.pdf
    • http://dritascleaningcompany.com/uploads/1/3/0/4/130476320/jover.pdf
    • http://nit.infospina.ru/uploads/2020/01/27/51f472.pdf
    • http://randhan.info/uploads/1/3/0/5/130551279/11fc94ce4.pdf
    • http://asociacionperiodistaspr.org/uploads/1/3/0/5/130589260/130589260.html#android+listview+arrayadapter+filter

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000174c.bin
02c3a3b96676e341a97fff3a645f5adfb5ba943fce9a8dfe9b56bdd925a0662e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x174C 8404 bytes

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