Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0874432529bc273…

MALICIOUS

PDF

156.1 KB Created: 2020-08-11 23:40:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 156ea6733b750c576e227ce71e2ff695 SHA-1: 5b9a204938dadf02d1d2447324df0074380dfdb2 SHA-256: a0874432529bc273789b59714291fe2eb3f2efbd91a4e7bdf26d563837923608
88 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. The document body, though heavily obfuscated, appears to contain the same URL. This indicates the primary attack vector is a lure to a malicious site. The presence of urgency and callback lures suggests a phishing or scam attempt, but the direct malicious link is the highest priority IOC.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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 https://ttraff.ru/pify?keyword=arabic+to+urdu+dictionary+book+pdf
    • http://files.planningforgrowthnorthsk.com/uploads/1/3/0/7/130739835/nudamaromexanolilet.pdf
    • http://files.maverickhilldressage.com/uploads/1/3/1/4/131407424/43ccfd93f.pdf
    • http://gotuguw.grow-grace.com/uploads/1/3/1/1/131163635/puxuxigat_nulosibis.pdf
    • http://bibeke.basecampiceland.is/uploads/1/3/0/8/130813528/newonavopifisa.pdf
    • https://cdn.shopify.com/s/files/1/0431/5712/7336/files/jadunukuxupikojepure.pdf
    • https://cdn.shopify.com/s/files/1/0434/1471/6572/files/atrial_fibrillation_the_latest_management_strategies.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/19189676900.pdf
    • https://cdn.shopify.com/s/files/1/0434/5335/0053/files/milagro_beanfield_war.pdf
    • https://cdn.shopify.com/s/files/1/0431/7878/6965/files/belepegivakilapakabilesa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9495/0559/files/42940632407.pdf
    • https://cdn.shopify.com/s/files/1/0431/1125/2132/files/83480999962.pdf
    • https://cdn.shopify.com/s/files/1/0433/8388/1893/files/xozupole.pdf
    • https://cdn.shopify.com/s/files/1/0431/7764/0092/files/19210278674.pdf
    • https://cdn.shopify.com/s/files/1/0434/4276/5991/files/64450421253.pdf
    • https://cdn.shopify.com/s/files/1/0436/4327/3369/files/budupakagezorupixerek.pdf
    • https://cdn.shopify.com/s/files/1/0432/0677/0849/files/dabimijo.pdf
    • https://cdn.shopify.com/s/files/1/0430/8910/0957/files/gexabixalewumebep.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_010_off000239e1.bin
f708d98826565f539c39165fd9b0f22244a84837f0849f5ca0564fefd5207f7d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x239E1 22540 bytes
font_00_sfnt_off00019653.bin
705377623a4c4344e02470fedf876d1ed6f0c7c0eac322cafb15afc9430d14bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19653 6440 bytes
font_01_sfnt_off0001a617.bin
fc8e1ea7275d8ad870f65d905c1f0f2039dc6484dd542ee85f7eafab20cdec2e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A617 26628 bytes
font_02_sfnt_off0001f7ac.bin
41bc33f2810e146b862d47a3ffca9af23b41a8de804148c58051530545780060		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F7AC 5232 bytes
font_03_sfnt_off0002098d.bin
de38df1cf0bb5c16cafc42701fac4e4b5c6860427454ec4a383ba9535fbd550a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2098D 15476 bytes

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