Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7fa62310667e465…

MALICIOUS

PDF

46.9 KB Created: 2020-08-21 06:43:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 56e75e628e32732017f95ca4beb96a4d SHA-1: ead90ccb57f00ef456f0a673faa029ea25e462a9 SHA-256: e7fa62310667e46560db8a2e2fd701e972e262dc219581563f8e2d4d2086b13e
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, some of which are hosted on Shopify. The document body, though partially corrupted, contains the same redirector URL and a list of other URLs, suggesting a coordinated effort to distribute malicious links. No scripts were extracted from this sample.

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=digital+marketing+on+various+social+media+platforms
    • http://files.dreampartiesnl.com/uploads/1/3/0/8/130874566/pisuxalaz-rirotiduki.pdf
    • https://cdn.shopify.com/s/files/1/0447/1151/0170/files/beethoven_pathetique_1st_movement.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/babasetaxoguvivowe.pdf
    • https://cdn.shopify.com/s/files/1/0437/2725/7749/files/julelifawatanelugigekola.pdf
    • https://cdn.shopify.com/s/files/1/0432/7941/7504/files/dumiromulu.pdf
    • https://cdn.shopify.com/s/files/1/0428/4517/5971/files/online_accessibility_checker.pdf
    • https://cdn.shopify.com/s/files/1/0437/0835/0615/files/celiac_disease_symptoms.pdf
    • https://cdn.shopify.com/s/files/1/0433/8784/6806/files/dixaxaguburek.pdf
    • https://cdn.shopify.com/s/files/1/0431/2409/7175/files/19195792609.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/megoxidojixugapilanaseg.pdf
    • https://cdn.shopify.com/s/files/1/0447/6325/0839/files/buckets_of_rain_tab.pdf
    • https://cdn.shopify.com/s/files/1/0462/6766/2490/files/31423449892.pdf
    • https://cdn.shopify.com/s/files/1/0430/3618/0634/files/komosijudakukofajugamo.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_off000077fe.bin
9d7085cc205f80b8ab6347af1c77c76afa4e12001ccff5af2d5340f6e207d76c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77FE 5600 bytes
font_01_sfnt_off00008b00.bin
87a487eac186725cb45ae1dfcd3af28c3c036300864d020af8d3934fcd3116f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B00 10468 bytes

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