Malicious PDF — malware analysis report

Static analysis result for SHA-256 d47577d3b4a6618f…

MALICIOUS

PDF

42.7 KB Created: 2020-08-06 18:47:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e0c1b4064ad287e3fb738e9eee49402 SHA-1: 575a274a94b1e65f58c74333469c2e3d5ce7f3bc SHA-256: d47577d3b4a6618f490b842d85f7d29aaeccf0a77eb7f9b4c1b994a1f9e03131
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm infrastructure. The primary malicious redirector URL is https://ttraff.cc/wb?keyword=revoltas%20nativistas%20no%20brasil%20colonial%20pdf. This suggests the document is designed to lure users to malicious sites, likely for phishing or malware delivery.

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.cc/wb?keyword=revoltas%20nativistas%20no%20brasil%20colonial%20pdf
    • http://fipuv.handmaidsoftheheartofjesus.com/uploads/1/3/1/4/131437657/dekaviwanuwuro_ramufafukivap_folonorufowe.pdf
    • http://files.makinghairsmile.com/uploads/1/3/1/4/131438557/jitukire.pdf
    • http://files.mtacsgv.org/uploads/1/3/2/6/132695294/5b8adee18417f.pdf
    • http://files.ilanschraer.com/uploads/1/3/1/4/131438142/e61bd7d25842b.pdf
    • https://cdn.shopify.com/s/files/1/0433/6248/4383/files/trastorno_de_agorafobia.pdf
    • https://cdn.shopify.com/s/files/1/0429/3220/7782/files/great_gatsby_chapter_7.pdf
    • https://cdn.shopify.com/s/files/1/0435/4814/7867/files/panera_boxed_lunches_menu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7865/5903/files/33363465132.pdf
    • https://cdn.shopify.com/s/files/1/0436/1352/0029/files/10990503601.pdf
    • https://cdn.shopify.com/s/files/1/0430/7343/7847/files/dialysis_fluid_composition.pdf
    • https://cdn.shopify.com/s/files/1/0433/5943/6968/files/vafenoradekarefofatudox.pdf
    • https://cdn.shopify.com/s/files/1/0427/4513/5260/files/lidamajalixotiwaragow.pdf
    • https://cdn.shopify.com/s/files/1/0433/9027/1638/files/64311041827.pdf
    • https://cdn.shopify.com/s/files/1/0437/1234/8315/files/gojomugibefujevujazep.pdf
    • https://cdn.shopify.com/s/files/1/0428/5035/3318/files/68921353374.pdf
    • https://cdn.shopify.com/s/files/1/0432/5851/1522/files/89829374747.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_off0000640b.bin
d21337c0cc144435f825d85dc86a4c97fb495beb3d8a2c19fb2a3e296c6bf117		 pdf-font-stream PDF embedded font (sfnt) at offset 0x640B 5356 bytes
font_01_sfnt_off00007653.bin
e936218d83f6001b0dbb8966292819a3554a5a22d12f6892938fe21173ce478d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7653 12724 bytes

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