Malicious PDF — malware analysis report

Static analysis result for SHA-256 37f4383a4191a37f…

MALICIOUS

PDF

45.2 KB Created: 2020-08-22 05:24:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e3a0d96469c62710f45eb9dc3ebeab1 SHA-1: 5be33b13fd7855383044b1c61edcf3b51e655ff6 SHA-256: 37f4383a4191a37f48e137696420c105fc38b5fe3f2696619689d01dfe12caf1
160 Risk Score

Malware Insights

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

The PDF contains a lure for an advance-fee scam, directing users to click a link that leads to a known malicious redirector. The document body, though heavily obfuscated, contains references to 'ac market install android' and multiple URLs, including the malicious ttraff.com domain. The presence of a link farm heuristic further indicates malicious intent to distribute malicious content.

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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=ac+market+install+android
    • http://files.boardsandcompany.com/uploads/1/3/2/7/132712333/8904603.pdf
    • http://volur.plainfocus.com/uploads/1/3/0/7/130738546/c4782c302154bd.pdf
    • https://cdn.shopify.com/s/files/1/0433/7539/4979/files/95023596455.pdf
    • https://cdn.shopify.com/s/files/1/0431/8845/3533/files/9440132299.pdf
    • https://cdn.shopify.com/s/files/1/0428/1312/8863/files/81156368485.pdf
    • https://cdn.shopify.com/s/files/1/0432/8924/7894/files/limiveluseka.pdf
    • https://cdn.shopify.com/s/files/1/0431/6761/3087/files/bunny_movie_songs_ringtone.pdf
    • https://cdn.shopify.com/s/files/1/0431/7803/3313/files/58212105855.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/woziki.pdf
    • https://cdn.shopify.com/s/files/1/0428/6627/8556/files/lonawiwukibuvaxidusogu.pdf
    • https://cdn.shopify.com/s/files/1/0429/8942/0695/files/8173703433.pdf
    • https://cdn.shopify.com/s/files/1/0428/6591/8118/files/alberto_moravia_agostino.pdf
    • https://cdn.shopify.com/s/files/1/0429/5963/4591/files/10731525375.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/
    • https://cdn.shopify.com/s

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007258.bin
37b53642dc781976031da39e59b310989f9e0b41633c9e7926d83840a67405ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7258 5140 bytes
font_01_sfnt_off000083a6.bin
475a35e834263468f82097b47a9277ce79da5642aab3d054db9c67926164e212		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83A6 10576 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.