Malicious PDF — malware analysis report

Static analysis result for SHA-256 81e6d9ce165bb7fb…

MALICIOUS

PDF

39.0 KB Authoring application: ImageMagick
MD5: 324d47163e6f43259626cfe836378048 SHA-1: db2fb59c56f3d056515f02a1f0c08630f8c951f0 SHA-256: 81e6d9ce165bb7fb7109036b3a2e62dbec6603dbf23e19f811c39ac01e421192
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF documents, a technique commonly used for SEO manipulation or to distribute further malicious content. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic redirection intent. The document body itself is heavily obfuscated and does not provide clear textual lures, but the heuristic 'SE_URGENCY_LURE' suggests a potential attempt to create a sense of urgency.

Heuristics 4

  • 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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://www.ohdronepics.com/uploads/1/3/0/4/130436141/riluxikoxokafa.pdf
    • http://endoscopecabinet.com/uploads/1/3/0/8/130874510/rifafatizirojas_fotorisuga.pdf
    • http://noahhartman.com/uploads/1/3/0/7/130775363/xifolowubupunu-jewomefotad-bapobixaxonikas-sibokutozin.pdf
    • http://iheartdetroit.net/uploads/1/3/0/6/130639468/1866661.pdf
    • http://deals.pearldistrict.com/uploads/1/3/0/3/130323155/e8fa4d26d29928.pdf
    • http://gregwbaker.com/uploads/1/3/0/5/130588805/gerodoxonini.pdf
    • http://nelaalen.com/uploads/1/3/0/6/130603913/sivevipid.pdf
    • http://nurseinnovation.solutions/uploads/1/3/0/5/130541031/91b3cd49.pdf
    • http://monsieurpl.com/uploads/1/3/0/5/130542813/jupagosaju-siwexepan.pdf
    • http://monolithcomputing.com/uploads/1/3/0/7/130776073/nutidudeluzabip_xifuweremamo.pdf
    • http://proaerialleague.com/uploads/1/3/0/6/130621036/xuzilixatizejun.pdf
    • http://geniuspath.ai/uploads/1/3/0/5/130550803/napuvexemunosuz_rewobek_ruzalizizeketif_felitupopaki.pdf
    • http://circoestodo.com/uploads/1/3/0/5/130541837/50fcf000.pdf
    • http://www.catherinelapointe.com/uploads/1/3/0/5/130538833/8719646.pdf
    • http://jennileighcupcakerie.com/uploads/1/3/0/7/130775821/e42b31b.pdf
    • http://nhgamebutcher.com/uploads/1/3/0/5/130588570/vogerufovotu_runuzitofadu.pdf
    • http://webdisk.dickersongreenseminary.org/uploads/1/3/0/8/130874599/130874599.html#cure+of+hepatitis+b

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003c4c.bin
99dee0f68945d49ae96034db9333f7253528604c13b1419a8f3dd4829fa40c39		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3C4C 8012 bytes

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