Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7172384d53a5abe…

MALICIOUS

PDF

43.4 KB Created: 2020-08-18 17:24:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 428c4ac6626f1aeccb7dcaf7889a12f3 SHA-1: 992f9a9461858ac5321087002e4d666b7dec7325 SHA-256: a7172384d53a5abe490bfeb16b7d47942fc323e7f37730a83da2585a50f1e94e
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, a technique often used for SEO poisoning or link farming. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=lagu+dangdut+koplo+begadang+2'. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution.

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=lagu+dangdut+koplo+begadang+2
    • http://files.johnnyaircargopadala.com/uploads/1/3/0/9/130969278/pugev-wodarolokuma-lulanawerigoluf.pdf
    • http://files.seresearchcoalition.org/uploads/1/3/1/4/131438228/5807273.pdf
    • http://wiseramun.events-and-parties.com/uploads/1/3/0/8/130814328/9963f.pdf
    • http://bowos.clearingconversations.com/uploads/1/3/1/4/131411896/a463bd.pdf
    • https://cdn.shopify.com/s/files/1/0436/2852/7776/files/xiximusov.pdf
    • https://cdn.shopify.com/s/files/1/0431/3769/5906/files/mastering_the_art_of_french_cooking_vol_2.pdf
    • https://cdn.shopify.com/s/files/1/0433/6402/4479/files/70867709318.pdf
    • https://cdn.shopify.com/s/files/1/0430/9155/8551/files/83263684538.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93515438816.pdf
    • https://cdn.shopify.com/s/files/1/0431/1551/1968/files/30148828189.pdf
    • https://cdn.shopify.com/s/files/1/0428/5680/8615/files/leesburg_weather_report.pdf
    • https://cdn.shopify.com/s/files/1/0430/6056/0021/files/resubixeramezepozirifim.pdf
    • https://cdn.shopify.com/s/files/1/0434/3191/9765/files/jebedepesedutorerivaraf.pdf
    • https://cdn.shopify.com/s/files/1/0437/8509/3281/files/5_causes_of_cancer.pdf
    • https://cdn.shopify.com/s/files/1/0430/7537/1162/files/18321589802.pdf
    • https://cdn.shopify.com/s/files/1/0439/4090/5128/files/arcgis_10._3_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0432/2027/1264/files/26729028866.pdf
    • https://cdn.shopify.com/s/files/1/0431/0928/6050/files/applied_physics_122_book_download.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_off000058a0.bin
2794b4823145979140d2abb4249ebb1209e8a589bdb71738cb4befe6e06c5d53
pdf-font-stream PDF embedded font (sfnt) at offset 0x58A0 4964 bytes
font_01_sfnt_off00006993.bin
c8eb13b39745980043c17a52143f1719c0f5023d8040862448cf8148139a6a1d
pdf-font-stream PDF embedded font (sfnt) at offset 0x6993 12956 bytes
font_02_sfnt_off00009272.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333
pdf-font-stream PDF embedded font (sfnt) at offset 0x9272 4324 bytes