Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba9ef64233d4a174…

MALICIOUS

PDF

40.8 KB Created: 2020-08-12 18:29:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 939d7a17c0306db41563732ecd0dd055 SHA-1: f42408d4931f4a68d6d216ee63e5cdb798d5b822 SHA-256: ba9ef64233d4a17410b0e3e0d3e9fcee8dc47d564d1c3377b21a47e57452edd7
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though partially corrupted, contains text related to a 'Butterball electric turkey fryer manual' and the malicious URL, suggesting a lure to trick users into clicking the link. The presence of a link farm further indicates an attempt to distribute malicious content or manipulate search engine results.

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=butterball%20electric%20turkey%20fryer%20xxl%20manual
    • http://jurogubu.classgui.com/uploads/1/3/1/3/131380845/dotilimajovenipog.pdf
    • http://dijavut.emporiabasketball.com/uploads/1/3/2/3/132303382/sisadi-josikixuwiru-xikizelonesufof.pdf
    • http://files.leisuretravelsrilanka.com/uploads/1/3/1/8/131872048/rikupegijakapaje.pdf
    • http://files.comledcenter.com/uploads/1/3/1/8/131871480/26596.pdf
    • https://cdn.shopify.com/s/files/1/0429/8326/0314/files/neumonia_pediatria_colombia.pdf
    • https://cdn.shopify.com/s/files/1/0427/6856/4380/files/51521991782.pdf
    • https://cdn.shopify.com/s/files/1/0432/3360/7842/files/mugebegasejopadazovemuvi.pdf
    • https://cdn.shopify.com/s/files/1/0435/2737/2964/files/zujepeledetuta.pdf
    • https://cdn.shopify.com/s/files/1/0433/4711/6197/files/kepivikorediget.pdf
    • https://cdn.shopify.com/s/files/1/0448/5795/0370/files/kuxivumukedinozi.pdf
    • https://cdn.shopify.com/s/files/1/0434/1334/0312/files/blacksburg_transit_routes.pdf
    • https://cdn.shopify.com/s/files/1/0430/4273/4237/files/nuxopurakasupexoxur.pdf
    • https://cdn.shopify.com/s/files/1/0430/6737/5770/files/34991388852.pdf
    • https://cdn.shopify.com/s/files/1/0428/2623/6063/files/daniel_guerin_el_anarquismo.pdf
    • https://cdn.shopify.com/s/files/1/0431/6289/4485/files/28939906455.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_off00005443.bin
1511ae447ccf1a654914b92a2d9a2755e2a96c5c1a356330fcc2f8481c06666c
pdf-font-stream PDF embedded font (sfnt) at offset 0x5443 5044 bytes
font_01_sfnt_off00006564.bin
fc27f1c0d968943004db0ba26c10724db421f61fefd6b98d2dfbb041fad73cc9
pdf-font-stream PDF embedded font (sfnt) at offset 0x6564 10492 bytes
font_02_sfnt_off00008837.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361
pdf-font-stream PDF embedded font (sfnt) at offset 0x8837 4324 bytes