Malicious PDF — malware analysis report

Static analysis result for SHA-256 60e465c22a8bef6d…

MALICIOUS

PDF

47.0 KB Created: 2020-08-01 12:22:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ff1dfe58cd7f3aac319c726a7a78e1c SHA-1: 72daecbcb53e54149006502ad5fa964fa3c2256f SHA-256: 60e465c22a8bef6d1d53000ab361df7c27b2e318519dc38cd0d34f4503d930fd
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a deceptive title related to uninstalling software and embeds a large number of external links. One of these links, 'https://ttraff.com/pify?keyword=uninstall+mysql+from+mac', is identified as a known malicious redirector. The presence of numerous links, including those pointing to potentially malicious infrastructure, strongly suggests an attempt to redirect users to harmful websites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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=uninstall+mysql+from+mac
    • http://files.feministpestcontrol.com/uploads/1/3/2/7/132740343/mivijez-fakewejopuwuxa-purodimifum-naronepedik.pdf
    • http://files.chhsseniors.com/uploads/1/3/1/4/131482976/bakegik.pdf
    • http://files.iiamartmodels.com/uploads/1/3/1/4/131414743/mirividu-kirobofat-jazaki.pdf
    • http://files.catchingupwithcasey.com/uploads/1/3/1/6/131607019/2b1abdc148c6.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://cdn.shopify.com/s/files/1/0433/8316/0995/files/rixivefozusewi.pdf
    • https://cdn.shopify.com/s/files/1/0429/1405/4300/files/7846322701.pdf
    • https://cdn.shopify.com/s/files/1/0431/3966/1981/files/column_sorting_sapui5_table.pdf
    • https://cdn.shopify.com/s/files/1/0429/6248/5407/files/37064464918.pdf
    • https://cdn.shopify.com/s/files/1/0432/5575/9011/files/76080797509.pdf
    • https://cdn.shopify.com/s/files/1/0431/7442/8829/files/tezexe.pdf
    • https://cdn.shopify.com/s/files/1/0429/1949/3785/files/70299620558.pdf
    • https://cdn.shopify.com/s/files/1/0433/0346/9221/files/sujiwibasuganenogekimosox.pdf
    • https://cdn.shopify.com/s/files/1/0438/2598/7734/files/10552476203.pdf
    • https://cdn.shopify.com/s/files/1/0428/0044/7655/files/58624080743.pdf
    • https://cdn.shopify.com/s/files/1/0431/6640/0663/files/jafegaxujerasijeb.pdf
    • https://cdn.shopify.com/s/files/1/0432/9704/6696/files/jorefatisifofetira.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006dcb.bin
767e0df7736fe10a6600d5773f0ffb8e1357a189150f647c62b8362d2310c8cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DCB 4916 bytes
font_01_sfnt_off00007e61.bin
b8793964a5c997d7db0199f41ecd56980b3791f05bce3e8d027fcbcacf574b82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E61 10192 bytes
font_02_sfnt_off0000a153.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA153 4324 bytes

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