Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e7d241d1ffd3836…

MALICIOUS

PDF

62.6 KB Authoring application: Solid Converter PDF
MD5: 687fdaebe114099fa3f17278cb8a31a3 SHA-1: 073f2c21926a87f21693b03140e78bee941621ee SHA-256: 1e7d241d1ffd38367a2648efb62a6a5db2551bdead7fc4d9764233ab02c76a4a
120 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and exhibits a critical heuristic for a PDF link farm. The document body contains numerous embedded URLs pointing to external PDF files hosted across various domains. This suggests the primary intent is to redirect users to potentially malicious content, likely for phishing or malware distribution. 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://misstourist.org/uploads/2020/01/27/vugitotamazad_kurekutovu_vajuvejafotoru_bizipibulavuga.pdf
    • http://nopogefun.periodismo-news.com/uploads/2020/01/27/5c50f10e199f8d.pdf
    • http://update-accounts.net/uploads/2020/01/27/3083938.pdf
    • http://voirin-bourgault.com/uploads/1/3/0/5/130539354/be1ea44.pdf
    • http://leafsvanmij.nl/uploads/1/3/0/6/130604729/4254038.pdf
    • http://techindulgence.com/uploads/2020/01/29/pafuripid-xives-gowizesotuda-lukuwimefulagun.pdf
    • http://forresterflooring.net/uploads/1/3/0/5/130588718/781786e.pdf
    • http://boniluses.prorealgame.ru/uploads/2020/01/28/6038838238a2eae.pdf
    • http://swenwaterreus.com/uploads/1/3/0/5/130539229/70aebdc4.pdf
    • https://ruzitamiku.weebly.com/uploads/1/3/0/5/130588749/dusopunamuduvena.pdf
    • http://nounoula.com/uploads/1/3/0/4/130483650/laxolonobupizaraba.pdf
    • http://alabamaassure.com/uploads/1/3/0/6/130605229/b2a60842a278.pdf
    • http://sandandgraveldelivery.com/uploads/1/3/0/5/130550667/sisuzur.pdf
    • http://jozibedem.friendlylazur.com/uploads/2020/01/28/guxof_muruj.pdf
    • http://jum.womensbeatuy.net/uploads/2020/01/27/7aa64.pdf
    • http://xoxo.estiny-studio.ru/uploads/2020/01/28/goninibupo.pdf
    • http://bejustalittlebetter.com/uploads/1/3/0/2/130289577/130289577.html#the+return+of+doctor+mysterio+watch

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001118.bin
72ffbadda29234483876f36ba6f41f8b0ef87e8914c1cb23744e0663e039d165		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1118 9164 bytes
font_01_sfnt_off00009d2f.bin
317ea50b9d4af4e4ed0db993272491f914087b3165b8b620d2ccd9dad5a2a42f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9D2F 18748 bytes
font_02_sfnt_off0000b9c3.bin
7863b829de04ea8b7f5be4d5dae43fa62182e7611f0c3a300d10b316d27db496		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB9C3 2732 bytes

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