Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6283db4f0c251f0…

MALICIOUS

PDF

74.5 KB Created: 2020-08-09 23:24:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 914768fa7618e2b6152e3cac72e24d94 SHA-1: f4f2b867ac7c86472e41ed212bcd22b47dfafb44 SHA-256: e6283db4f0c251f0d53bf66a749fc5e9c6f81d11c68818e8bb815b1f2b2aa038
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one heuristic specifically identifying a link to a known malicious redirector infrastructure at 'https://ttraff.cc/pify?keyword=polygamy+in+islam+pdf'. This indicates a phishing or social engineering attempt to direct users to malicious content. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • 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.cc/pify?keyword=polygamy+in+islam+pdf
    • http://files.abctsgmsig.com/uploads/1/3/1/6/131606011/6870496.pdf
    • http://files.ladowney.com/uploads/1/3/1/4/131437889/lonomidowetajaxevaw.pdf
    • http://lezidano.emilycasnyder.info/uploads/1/3/1/3/131379803/2606571.pdf
    • http://lidabiv.alamedaaquaticmasters.com/uploads/1/3/2/6/132695569/910603d3cbe.pdf
    • http://files.threecoursechallengeshs.com/uploads/1/3/0/8/130813366/leriwofiwuxew.pdf
    • https://cdn.shopify.com/s/files/1/0432/3947/3314/files/4007115425.pdf
    • https://cdn.shopify.com/s/files/1/0437/8987/7397/files/61973950844.pdf
    • https://cdn.shopify.com/s/files/1/0430/8097/4490/files/basic_spanish_grammar_rules.pdf
    • https://cdn.shopify.com/s/files/1/0432/8180/9558/files/no_man_s_sky_sodium_diode.pdf
    • https://cdn.shopify.com/s/files/1/0428/2908/6876/files/sigabufizuvipoju.pdf
    • https://cdn.shopify.com/s/files/1/0448/0339/1645/files/grammar_and_vocabulary_for_the_toeic_test_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0434/7337/1288/files/nozewitoviled.pdf
    • https://cdn.shopify.com/s/files/1/0428/9468/8419/files/anandamayi_ma_espaol.pdf
    • https://cdn.shopify.com/s/files/1/0430/0436/2906/files/32947658508.pdf
    • https://cdn.shopify.com/s/files/1/0428/0965/5462/files/24985440777.pdf
    • https://cdn.shopify.com/s/files/1/0428/1755/2543/files/2014020781.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e5b4.bin
eed7be307aa6262c2fc77568cd42dc1914f1750d7b6a5d57b20af2a5e7cf67f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE5B4 5368 bytes
font_01_sfnt_off0000f7fb.bin
fff1ce8c49c6b2d354be3fdf7f9ba6556ee59f9a9019718f6320a1350a08a44a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF7FB 10788 bytes

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