Malicious PDF — malware analysis report

Static analysis result for SHA-256 facbd0c2054ea3e4…

MALICIOUS

PDF

58.4 KB Created: 2020-08-19 07:36:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9954710496de3c564ddaf8e35781bced SHA-1: dacefe28629881874dc2341738f89b7f892d881c SHA-256: facbd0c2054ea3e4bb47b63461d15a94c6dbd5e91baedbc1990c361200d01ef4
168 Risk Score

Malware Insights

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

This PDF file exhibits malicious behavior by containing a mass external link farm, with one link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'personal finance tracker template' and includes the malicious URL, suggesting a lure for financial scams. The presence of numerous PDF links, many hosted on Shopify, indicates an attempt to distribute malicious content or redirect users to phishing sites.

Heuristics 5

  • 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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=personal+finance+tracker+template
    • http://files.internationalpeaceconference.org/uploads/1/3/0/7/130738836/6997229.pdf
    • http://files.zeldaandbramble.com/uploads/1/3/1/3/131380547/gutuzi.pdf
    • https://cdn.shopify.com/s/files/1/0430/6819/4965/files/safujesogaw.pdf
    • https://cdn.shopify.com/s/files/1/0429/1448/0287/files/lugopeg.pdf
    • https://cdn.shopify.com/s/files/1/0432/1568/3744/files/three_states_of_matter_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0428/7902/5318/files/bsc_nursing_syllabus_2020_mgr_university.pdf
    • https://cdn.shopify.com/s/files/1/0427/9474/6023/files/gun_mayhem_4.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dewefezagabujam.pdf
    • https://cdn.shopify.com/s/files/1/0434/7494/4153/files/wajewixaxosuwip.pdf
    • https://cdn.shopify.com/s/files/1/0432/4638/7362/files/bureritalosonoremesaruta.pdf
    • https://cdn.shopify.com/s/files/1/0430/0318/3258/files/46878187024.pdf
    • https://cdn.shopify.com/s/files/1/0433/2955/2552/files/lafominujanetalo.pdf
    • https://cdn.shopify.com/s/files/1/0432/4530/6011/files/74129232371.pdf
    • https://cdn.shopify.com/s/files/1/0450/2142/9924/files/tikul.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
font_00_sfnt_off00007132.bin
bc02165e819d5a2f17f0127e14b0ac87d3a9fae45e82b4f9c6f4228fdacabbeb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7132 5012 bytes
font_01_sfnt_off00008211.bin
49ec0aac608d7eac4b103e31900474050a35ab93e922af809439ac5f0481a97a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8211 4240 bytes
font_02_sfnt_off00009292.bin
26722631cb729d369833e146d42abac76d1de3ab39da32ddd98b2549a50070d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9292 10076 bytes
font_03_sfnt_off0000b542.bin
d7553f1c542dc967b8b77c2d099fcc8efc34b85483c50b55df851e3b5a7f47ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB542 16548 bytes
font_04_sfnt_off0000cbff.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCBFF 4324 bytes

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