Malicious PDF — malware analysis report

Static analysis result for SHA-256 a767ce84e847277f…

MALICIOUS

PDF

43.7 KB Authoring application: pstoedit
MD5: 59b573b4a55d40666cac7bbcb41eb091 SHA-1: d827abe6cb82f85682f349ea941799500369e5b1 SHA-256: a767ce84e847277f74c8732db4c5d6a24d0ff7eb74b84a724fc0e475a5acc8d5
120 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to a suspicious domain. ClamAV also detected this as Pdf.Phishing.TtraffRobotInstall. The primary malicious IOC is the domain 'pafaka.02shopppp.fun', which hosts a large number of the embedded links. 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://pafaka.02shopppp.fun/uploads/2020/01/28/wuzixis.pdf
    • https://lekelidoka.weebly.com/uploads/1/3/0/2/130289377/nemizedi.pdf
    • https://marokunud.weebly.com/uploads/1/3/0/2/130289431/4264241.pdf
    • https://tuxowokupef.weebly.com/uploads/1/3/0/5/130589124/a3cf59.pdf
    • http://msmarmenia.org/uploads/1/3/0/5/130545745/sifusaj_wobopa_loxor.pdf
    • https://jumamovi.weebly.com/uploads/1/3/0/4/130488846/gabamoxifire_jipaxeve_simapamo.pdf
    • http://metallicblackrecords.com/uploads/1/3/0/5/130588231/dukuxew-funubi-podaxamupobiler.pdf
    • http://frisbeegloves.com/uploads/1/3/0/4/130488816/zavigoz.pdf
    • http://mymisssparkle.com/uploads/1/3/0/5/130550888/renawibizalus.pdf
    • http://jijejo.iviik.icu/uploads/2020/01/29/tekinimede.pdf
    • http://sherrymarze.com/uploads/1/3/0/3/130379341/gipotexunefija_baworil.pdf
    • http://dabeedesign.com/uploads/1/3/0/5/130539679/fisozuwubufesolunof.pdf
    • http://myjourneyracing.com/uploads/1/3/0/5/130588633/90dbe23.pdf
    • http://lomuxuzeg.tatarstan.travel/uploads/2020/01/27/gorolusi-sepuwedanipibux-rivebezoxapinor.pdf
    • https://vodadetisizibam.weebly.com/uploads/1/3/0/4/130488270/fadib-verudig-vosegusigogex.pdf
    • http://1169certified.info/uploads/1/3/0/6/130620297/42b00884aa08c6.pdf
    • http://artworkbylindseydowning.com/uploads/1/3/0/6/130604564/nalaxopopalid.pdf
    • http://designer-parties.com/uploads/1/3/0/6/130640027/c414966ca4ed70.pdf
    • http://cnstrategies.net/uploads/1/3/0/3/130323163/doduba_kinodowefina.pdf
    • http://susanaamaral.com/uploads/1/3/0/4/130477702/fuvuruvipitepugifede.pdf
    • https://zuvobemidefofod.weebly.com/uploads/1/3/0/2/130272352/e391c533bfe.pdf
    • http://ankezimmermann.ca/uploads/1/3/0/3/130323377/130323377.html#bullseye+rocking+horse+manual
    • http://lomuxuzeg

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001712.bin
90d8fe6ae1ac49f552648c31dac1355b0b0f9371f34608ce4e1e8a1d9c014f03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1712 9728 bytes
font_01_sfnt_off00006f13.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F13 2652 bytes

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