Malicious PDF — malware analysis report

Static analysis result for SHA-256 af660b5874619ab0…

MALICIOUS

PDF

44.0 KB Created: 2020-09-02 04:08:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5d81204c472555b834f24d5ed4214872 SHA-1: 4806c369bcf997b5095502b56172ffd140793cfb SHA-256: af660b5874619ab0a5a007fbd3aa7f0961da0b904a469d274db894e221992c96
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it is a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the redirector heuristic. This URL likely leads to a malicious site designed to trick the user into further malicious actions, possibly related to the 'apj abdul kalam award information' lure.

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.club/wix?keyword=apj+abdul+kalam+award+information
    • https://cdn.shopify.com/s/files/1/0439/2583/1835/files/etina_pro_cizince_b2_cviebnice.pdf
    • https://cdn.shopify.com/s/files/1/0428/7420/8415/files/60442027775.pdf
    • https://cdn.shopify.com/s/files/1/0429/1215/3766/files/73424883424.pdf
    • https://cdn.shopify.com/s/files/1/0430/7730/4484/files/faxiwerudusogalulaw.pdf
    • https://cdn.shopify.com/s/files/1/0428/4357/0343/files/loudon_organic_chemistry_6th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0432/5382/5694/files/breathing_exercises_for_stress.pdf
    • https://cdn.shopify.com/s/files/1/0448/4520/3618/files/aprende_a_dibujar_comic_diseo_de_personajes.pdf
    • https://cdn.shopify.com/s/files/1/0437/7716/3426/files/furinuvi.pdf
    • https://static.usrfiles.com/ugd/b8c837_fec1fbf942ba4a808d1d1c814c909eef.pdf
    • https://static.usrfiles.com/ugd/a838c0_31b314fbb3554735ab98d77bed778df5.pdf
    • https://static.usrfiles.com/ugd/ab922d_ce96d72de13548bc94710731b67f9c53.pdf
    • https://static.usrfiles.com/ugd/d5415a_1ddf85213f5a4fb1bc7c1a1a8c98045b.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005f89.bin
11cfba50352e5f978b8169c23b15e9b5871ed422f66848363ab192d1c6da8ebc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F89 5132 bytes
font_01_sfnt_off000070ea.bin
75a2f2db9acace9e7f8fa08d1db68885c081b26e5ce1b1f5fcaf43cb12541bd9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70EA 10624 bytes
font_02_sfnt_off000094c1.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x94C1 4324 bytes

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