Malicious PDF — malware analysis report

Static analysis result for SHA-256 d446ae65f1bc6659…

MALICIOUS

PDF

53.2 KB Created: 2020-08-21 06:18:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8644befbd1e7642d81b7618a969321ae SHA-1: 07a9da96013e73b745a180e9beeae90193e702c3 SHA-256: d446ae65f1bc66592aec3b4db0381e6ba39c8d6912d1cb1a9c34ed5b1bbc2b5a
194 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 'https://ttraff.cc/pify?keyword=kaththi+songs+tamils.+net'. This indicates a social engineering attempt to direct the user to malicious content. The document body, though heavily obfuscated, contains the same URL and references to 'Kaththi songs tamils.net', reinforcing the lure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or distribution mechanism for the malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.cc/pify?keyword=kaththi+songs+tamils.+net In PDF document text
    • http://files.stagehillpolo.com/uploads/1/3/1/4/131438019/gidefo.pdfIn PDF document text
    • http://gijavuro.totalbusinesswebsitesolutions.com/uploads/1/3/0/7/130739892/ziwimewo.pdfIn PDF document text
    • http://kojer.naifamt.org/uploads/1/3/0/8/130874063/nokofejakos_dikuganolalir_gupuvafu.pdfIn PDF document text
    • http://doselofe.mountaintechnicalsolutions.com/uploads/1/3/2/6/132696067/437f979bba74698.pdfIn PDF document text
    • http://files.nobleprincess.com/uploads/1/3/2/6/132695294/1343ce2ec.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4460/8932/files/30413685329.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8399/6063/files/fedom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3517/8661/files/dowamurabitubogimafifeni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9979/0243/files/mejapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2992/1943/files/mafox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4978/8327/files/bolted_and_welded_connections.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2326/9014/files/53811790436.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2812/5595/files/beowulf_liuzza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60359225188.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7556/7770/files/73628776212.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0457/3347/8566/files/b_c_p_full_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1612/5590/files/1100252729.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0318/3258/files/41581254159.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2084/5210/files/razajadezetixujeba.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007cee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CEE 5004 bytes
SHA-256: e0e6f3573855ee0c8f51ab68bdc2d0920ee6c5a8f3e9b9a976d9de8977c16b84
font_01_sfnt_off00008dcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DCD 10652 bytes
SHA-256: 072afede1e5a05db1baedf8d87b71248e75ac8b6164078e5ccd3e01ed45f7533
font_02_sfnt_off0000b269.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB269 16164 bytes
SHA-256: ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8