Malicious PDF — malware analysis report

Static analysis result for SHA-256 962c48396928d893…

MALICIOUS

PDF

53.0 KB Created: 2020-08-14 12:43:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c4add431adc9619375b1771b376c0cfc SHA-1: fd76c5fe434039787e21404a71f46746b7c5b967 SHA-256: 962c48396928d893149c1c76706c5e2d455db8d13768c527c91ea6961be4eabf
128 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to an exam date sheet, likely used as a lure. The primary malicious IOC is the redirector URL, which likely leads to a further stage of the attack. No scripts were extracted from this sample.

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.
  • 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.
  • 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.cc/pify?keyword=10th+compartment+exam+date+sheet+2018
    • http://files.logancountycore.com/uploads/1/3/2/6/132681634/d6a8b.pdf
    • http://bomajege.gregoryebarnes.com/uploads/1/3/1/4/131454065/zusonebilogazexado.pdf
    • http://files.calvaryslofamilies.com/uploads/1/3/0/7/130776487/9b50c2363ba460.pdf
    • http://gavewax.rnpurcell.ca/uploads/1/3/0/7/130775680/4f274851fe.pdf
    • https://cdn.shopify.com/s/files/1/0434/6288/5541/files/able2extract_converter_free_download_crack.pdf
    • https://cdn.shopify.com/s/files/1/0433/9849/6412/files/61108189234.pdf
    • https://cdn.shopify.com/s/files/1/0433/6713/7438/files/qr_code_reader_apk_uptodown.pdf
    • https://cdn.shopify.com/s/files/1/0438/3657/1805/files/dirt_devil_vacuum_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/6310/6968/files/fatufivuven.pdf
    • https://cdn.shopify.com/s/files/1/0432/8783/8886/files/pepej.pdf
    • https://cdn.shopify.com/s/files/1/0429/7215/1959/files/genimutupesotujapol.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mowojemabedeju.pdf
    • https://cdn.shopify.com/s/files/1/0432/4366/7616/files/iptv_stalker-_rip.pdf
    • https://cdn.shopify.com/s/files/1/0432/2761/1300/files/48769470028.pdf
    • https://cdn.shopify.com/s/files/1/0437/0736/7592/files/12171476599.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000076a6.bin
eadfb335156efce293e95d71b69eb66257574af9a663f09079047f2e0271b9fe
pdf-font-stream PDF embedded font (sfnt) at offset 0x76A6 5512 bytes
font_01_sfnt_off0000891b.bin
73983ccd477f0e4c07634362c0f9f13a23cea415a26bff37f7f125d59a681190
pdf-font-stream PDF embedded font (sfnt) at offset 0x891B 1936 bytes
font_02_sfnt_off0000925e.bin
ff6857e9fc624123a733634940dbac388100a6f1aaf8579b1403d1cee8e7247b
pdf-font-stream PDF embedded font (sfnt) at offset 0x925E 10684 bytes
font_03_sfnt_off0000b6dc.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2
pdf-font-stream PDF embedded font (sfnt) at offset 0xB6DC 4324 bytes