Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff477e0fdd4370d4…

MALICIOUS

PDF

181.4 KB Created: 2020-08-25 05:32:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b97e2fcaf9f021db5d777bdb1f15ab4b SHA-1: 9d522c2d76f0df3bf62c2718ef92a21d1845b77e SHA-256: ff477e0fdd4370d4f9256481f92dafa74f0c432edb4187befdf4d1757be3af30
90 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.ru/pify?keyword=shrimad+bhagwat+geeta+sanskrit+pdf, is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 2

  • 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.
  • 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.ru/pify?keyword=shrimad+bhagwat+geeta+sanskrit+pdf
    • http://setuxij.goddesshealmystic.com/uploads/1/3/1/4/131437393/6653684.pdf
    • http://files.midcom-group.com/uploads/1/3/0/9/130969185/1426327.pdf
    • http://files.elamalawi.org/uploads/1/3/1/4/131406086/zupilo-xokasubavotap-jarepoweta-momoresudat.pdf
    • http://pexalawib.papapasseros.com/uploads/1/3/0/7/130776791/7183641.pdf
    • https://cdn.shopify.com/s/files/1/0430/1606/1091/files/75745414391.pdf
    • https://cdn.shopify.com/s/files/1/0432/6549/1106/files/prepositional_verbs_exercises_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0437/6343/3629/files/paleontology_introduction.pdf
    • https://cdn.shopify.com/s/files/1/0432/7286/3899/files/17583785252.pdf
    • https://cdn.shopify.com/s/files/1/0428/1604/5222/files/xubuniridilagununona.pdf
    • https://cdn.shopify.com/s/files/1/0436/5189/1358/files/sequoia_capital_pitch_deck.pdf
    • https://cdn.shopify.com/s/files/1/0429/8833/9354/files/fawawibetujaparigumato.pdf
    • https://cdn.shopify.com/s/files/1/0432/3550/8387/files/soxerav.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/importerror_no_module_named_packaging._version.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_009_off0002a0a9.bin
13632073cede57e3112fbe5c060613865d3fe671aee971c9f97de3d3493c07a2		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A0A9 12084 bytes
font_00_sfnt_off00024c71.bin
6d49325321e042c1bf0990ed4923e0b85bc2bff30f70032cd9146df3f0d7967f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C71 5500 bytes
font_01_sfnt_off00025efc.bin
240b01ea4caa45f57f54ab4d6d5eb6187b906162b2682bc4dcfb9155b206388d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25EFC 3772 bytes
font_02_sfnt_off00026aa2.bin
3f481efab15f0ceb22535e51527380a660f3d89e2a6f11b8eb3d719a51875d0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x26AA2 12772 bytes
font_03_sfnt_off000292a7.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x292A7 4324 bytes

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