PDF malware analysis — malicious · a945c0cfeebefebb

MALICIOUS

PDF

44.2 KB Created: 2020-08-12 15:56:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 61a5073dce80ae03998c03d5dbd6671c SHA-1: 497caa8b11128f6eb21b3ef4a19910c77dba4a74 SHA-256: a945c0cfeebefebb446fe945280c702a5beb56b27aeea98b8e3a9402fa6bd406

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body includes a URL that redirects to a known malicious domain, suggesting a phishing or malware delivery attempt. The presence of a 'LOLBin Run Command' heuristic indicates potential execution of system tools, further supporting malicious intent. No scripts were extracted from this sample.

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND

Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
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 https://ttraff.com/pify?keyword=amendments+test+1+27+pdf
- http://files.istagesydney.com.au/uploads/1/3/1/4/131438059/sowogeke_genuxovetivuze_datefovolipu_dijef.pdf
- http://files.thearamaicscriptures.com/uploads/1/3/1/3/131383924/9845277.pdf
- http://files.s3arc.com/uploads/1/3/1/6/131637136/9a2c3dff1a69.pdf
- https://cdn.shopify.com/s/files/1/0433/3050/2806/files/nelizuwosufexalejinutulu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8011835234.pdf
- https://cdn.shopify.com/s/files/1/0433/7745/9363/files/57785738976.pdf
- https://cdn.shopify.com/s/files/1/0429/0979/4463/files/64411950509.pdf
- https://cdn.shopify.com/s/files/1/0430/7560/0535/files/awk_linux_command.pdf
- https://cdn.shopify.com/s/files/1/0434/9234/3970/files/lekabiruloboxubadutikamax.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16175378270.pdf
- https://cdn.shopify.com/s/files/1/0432/8144/9118/files/daxotus.pdf
- https://cdn.shopify.com/s/files/1/0440/8256/1176/files/aphrodite_greek_mythology.pdf
- https://cdn.shopify.com/s/files/1/0431/4087/4408/files/virinafelowe.pdf
- https://cdn.shopify.com/s/files/1/0434/2788/9303/files/94154721835.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000634b.bin` `6d1e1be244e068a53ecededd984fa92a25b305419f8184a40768b7c3f19f9483`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x634B	4732 bytes
`font_01_sfnt_off00007351.bin` `89aa1fabbb7cc2410996ac7acf56a8d97b2af88115499b726c8a4379677518c5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7351	10048 bytes
`font_02_sfnt_off000095b4.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x95B4	4324 bytes

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