Malicious PDF — malware analysis report

Static analysis result for SHA-256 50be09b59850e84e…

MALICIOUS

PDF

35.0 KB Authoring application: Solid Converter PDF
MD5: b63f8820322ce0ee2345d758fabba8b7 SHA-1: 9f2937728fb24f943bf7034ef048b1a91973ee34 SHA-256: 50be09b59850e84ebe39b63994af6ba250fbb464e4cad4e9c49b2273f7f29d04
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to PDF files on similar domains, indicating a link farm used for SEO poisoning or phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The document body, though heavily obfuscated, contains text related to a news event, potentially used as a lure. The primary attack pattern involves directing users to malicious external sites via the embedded link farm.

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://canberracelebranteileen.com/uploads/1/3/0/4/130478433/450799a4d5.pdf
    • http://fraguada.com/uploads/1/3/0/5/130589019/971221.pdf
    • http://popuppads.com/uploads/1/3/0/7/130776724/8797241.pdf
    • http://deb-snyder.com/uploads/1/3/0/2/130272649/49bfa76b.pdf
    • http://cloudsiphon.com/uploads/1/3/0/8/130874472/6249866.pdf
    • http://cubiocloud.com/uploads/1/3/0/4/130488241/3036c5e5e87031.pdf
    • http://pharmawhitepaperlibrary.com/uploads/1/3/0/6/130605240/92d73b.pdf
    • http://www.playfunproducts.com/uploads/1/3/0/5/130588583/12465dac123abfc.pdf
    • http://www.khamoshiarts.com/uploads/1/3/0/7/130739584/vazivol.pdf
    • http://robertdwilkens.tech/uploads/1/3/0/4/130478314/jefeloda.pdf
    • http://www.determinedtolearn.info/uploads/1/3/0/5/130543598/zemebeno.pdf
    • http://ns1.daveasniderauctionservice.ca/uploads/1/3/0/4/130476318/rixajexevu_bibem_vaxupim.pdf
    • http://longhollow.org/uploads/1/3/0/5/130543093/genejidutifajow.pdf
    • http://sheaandaloe.com/uploads/1/3/0/4/130488429/6684192.pdf
    • http://0fyq5.bpmtc.com/uploads/1/3/0/6/130604933/130604933.html#abu+bakr+al+baghdadi+raid+video
    • http://robertdwilkens.tech/uploads/1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f2b.bin
4d48de71693983d8723e3e513092e69aca590ad70f41aa796bca4e85d1f78300		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F2B 7828 bytes

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