Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5e851a2938230db…

MALICIOUS

PDF

52.7 KB Created: 2020-08-14 20:52:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ae314a238540624a4c74493a05a8aacc SHA-1: 51739900acf8192f88f9fa749733f654d4e4ee5c SHA-256: d5e851a2938230db99731ca81a54a934346ab9ba3a67b25ae67fa8ea3cc76d1e
150 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one critical heuristic identifying a malicious redirector. The document body, though partially corrupted, contains text related to 'Daniel Jones NFL scouting report' and the malicious URL, suggesting a lure. The primary malicious URL is https://ttraff.com/pify?keyword=daniel+jones+nfl+scouting+report, which is likely used to redirect the user to a phishing or malware distribution site. The presence of many Shopify-hosted PDF links suggests an attempt to blend in with benign content or to create a link farm for SEO poisoning.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=daniel+jones+nfl+scouting+report
    • http://files.tamimurphy.com/uploads/1/3/0/8/130814208/4177767.pdf
    • http://mukavuzo.annajackson.nz/uploads/1/3/0/7/130776485/9720708.pdf
    • http://gajagot.dollarcannulaclub.com/uploads/1/3/1/3/131379179/limizekufamodog.pdf
    • http://mokep.guidelinefit.com/uploads/1/3/1/6/131606289/9a5947bbe92.pdf
    • https://cdn.shopify.com/s/files/1/0433/9105/8078/files/42390349438.pdf
    • https://cdn.shopify.com/s/files/1/0431/4903/3640/files/gawipap.pdf
    • https://cdn.shopify.com/s/files/1/0437/5655/2343/files/algebra_2_topical_review_book.pdf
    • https://cdn.shopify.com/s/files/1/0431/3061/8020/files/28650985943.pdf
    • https://cdn.shopify.com/s/files/1/0437/2119/5688/files/java_collections_cheat_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0432/5595/5619/files/98623288320.pdf
    • https://cdn.shopify.com/s/files/1/0429/9476/1877/files/xegoze.pdf
    • https://cdn.shopify.com/s/files/1/0429/6913/7305/files/82175551376.pdf
    • https://cdn.shopify.com/s/files/1/0429/9846/4661/files/femif.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wuvinotagug.pdf
    • https://cdn.shopify.com/s/files/1/0433/7831/1326/files/python_send_sms.pdf
    • https://cdn.shopify.com/s/files/1/0434/2464/5272/files/behringer_x32_compact_tutorial.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_off00008441.bin
cfde5e214994b50de27172fab481aec187629390d12a4210eb47ea6f638b8ed5
pdf-font-stream PDF embedded font (sfnt) at offset 0x8441 5256 bytes
font_01_sfnt_off00009632.bin
dae0f12506c17deaa818396cb86411da2f7a72f10e575d6fda98e021880a3e82
pdf-font-stream PDF embedded font (sfnt) at offset 0x9632 2744 bytes
font_02_sfnt_off0000a1dd.bin
4496c4f7606a8d708b1b3e153a8ad01659bfb8d9918348f9e2aa2513e0577d63
pdf-font-stream PDF embedded font (sfnt) at offset 0xA1DD 10420 bytes