Malicious PDF — malware analysis report

Static analysis result for SHA-256 afb5bffd3456da97…

MALICIOUS

PDF

43.9 KB Created: 2020-08-13 21:16:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a0d0c3e4690b667885eead50240a662 SHA-1: 276135dda502b3d5ac4234a4f814390d5e07238e SHA-256: afb5bffd3456da97b1d8427607309fd4d435b41b19b7d836550c517ff12c162c
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also exhibits characteristics of a PDF SEO link farm, with numerous embedded links to various PDF files, many hosted on Shopify. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=everstart+battery+charger+user+guide', suggesting a lure to a malicious site disguised as a user guide. No scripts were extracted, but the presence of a malicious redirector indicates a likely phishing or malware delivery attempt.

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.com/pify?keyword=everstart+battery+charger+user+guide
    • http://files.nlcs-promisetown.com/uploads/1/3/1/4/131438539/b64e6c2.pdf
    • http://nasavip.bayareadynamo.org/uploads/1/3/2/6/132695569/jemamefelitizut-riligawora.pdf
    • http://files.oregonalliance.org/uploads/1/3/0/7/130739450/4b1be.pdf
    • http://files.mimijewls.com/uploads/1/3/1/6/131606755/saninuwuzijoref_muxekasoviz.pdf
    • https://cdn.shopify.com/s/files/1/0437/5625/7441/files/46841473073.pdf
    • https://cdn.shopify.com/s/files/1/0437/7001/9998/files/troy_bilt_5550_generator.pdf
    • https://cdn.shopify.com/s/files/1/0431/2236/0469/files/sugesirodumewakowulif.pdf
    • https://cdn.shopify.com/s/files/1/0431/8350/5559/files/rolewoj.pdf
    • https://cdn.shopify.com/s/files/1/0432/6014/9910/files/bhagat_singh_biography_in_english_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/2961/7057/files/62613760831.pdf
    • https://cdn.shopify.com/s/files/1/0432/0441/1556/files/love_dare_complete.pdf
    • https://cdn.shopify.com/s/files/1/0431/0145/4496/files/musica_atonal.pdf
    • https://cdn.shopify.com/s/files/1/0430/6527/8625/files/jilotipujasifiwuwapibexa.pdf
    • https://cdn.shopify.com/s/files/1/0432/6627/7531/files/12895071606.pdf
    • https://cdn.shopify.com/s/files/1/0428/6690/1148/files/10737239586.pdf
    • https://cdn.shopify.com/s/files/1/0433/8266/9464/files/fusagugizakutivitirunobaw.pdf
    • https://cdn.shopify.com/s/files/1/0433/0848/2724/files/interesting_facts_about_periodic_table.pdf
    • https://cdn.shopify.com/s/files/1/0437/4547/6757/files/cephalometry_in_orthodontics_2d_and_3d.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_off00006a48.bin
9e0ead8b904874a12375fecb362a3b765fae8fb05f666e84ec8834b5919b2657
pdf-font-stream PDF embedded font (sfnt) at offset 0x6A48 5428 bytes
font_01_sfnt_off00007cb5.bin
cda37eeaf730eedd82d80f1e4a6a4f9d22dd25df4b5e3f9c1316ddb0fe6bd72a
pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB5 10908 bytes