Malicious PDF — malware analysis report

Static analysis result for SHA-256 842222d000325adc…

MALICIOUS

PDF

36.2 KB Created: 2020-08-30 11:44:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c24b6504b4318312002f9d42a87b6dc2 SHA-1: 89c4528351666d84c67e62a153b137e100cebb3c SHA-256: 842222d000325adcc24dddc64ef069ff8a4ade7cbd2551193df67b5cbb107d2a
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=bernette+serger+334ds+manual'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the first identified as 'https://cdn.shopify.com/s/files/1/0435/4356/0346/files/zovajo.pdf'. The document body contains obfuscated text and the malicious URL, suggesting a lure to a malicious site.

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/wix?keyword=bernette+serger+334ds+manual
    • https://cdn.shopify.com/s/files/1/0435/4356/0346/files/zovajo.pdf
    • https://cdn.shopify.com/s/files/1/0441/0087/8488/files/tales_of_eternia_psp.pdf
    • https://cdn.shopify.com/s/files/1/0460/1066/3079/files/ruwugirisobozobe.pdf
    • https://cdn.shopify.com/s/files/1/0433/0507/4838/files/xiwelisijaradukaji.pdf
    • https://cdn.shopify.com/s/files/1/0435/0384/5541/files/bahadur_full_film.pdf
    • https://cdn.shopify.com/s/files/1/0440/7489/3477/files/32683261436.pdf
    • https://cdn.shopify.com/s/files/1/0433/3014/2363/files/dajifumipopitob.pdf
    • https://cdn.shopify.com/s/files/1/0430/2998/7489/files/ralumabofani.pdf
    • https://cdn.shopify.com/s/files/1/0430/7222/5442/files/pelicula_orgullo_y_prejuicio_online.pdf
    • https://static.usrfiles.com/ugd/b8c837_11734de3b77c411581461eb84533a23e.pdf
    • https://static.usrfiles.com/ugd/b8c837_9fc7cd52579b4cd58e18835e14608acb.pdf
    • https://static.usrfiles.com/ugd/469aea_ba021f546cb14a2bbbb737e2749af78e.pdf
    • https://static.usrfiles.com/ugd/9c0842_2988ed778ba44fc6bb81168014fea4b0.pdf
    • https://static.usrfiles.com/ugd/b8c837_a155b6eb5a8b452d9c3f7b4c32c861d1.pdf
    • https://static.usrfiles.com/ugd/b8c837_45efedfe25864268ad47df863318a9b9.pdf
    • https://static.usrfiles.com/ugd/45fd81_4744e6628188413d8382083ed71ff94e.pdf
    • https://static.usrfiles.com/ugd/a2c2bc_9482242fd9204993a83cc803235dd7d1.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_off00004a2c.bin
9ea1c16986a8e36ca805c63237fe27e8ecc1be3b598f4a95c5d52dd76e27736b
pdf-font-stream PDF embedded font (sfnt) at offset 0x4A2C 5444 bytes
font_01_sfnt_off00005c9e.bin
3797a04bd5bb8759d9483dc7bede5c885851d774eb7b5304b2625386fc4177fb
pdf-font-stream PDF embedded font (sfnt) at offset 0x5C9E 12352 bytes