Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dfd3cdd2118fc57…

MALICIOUS

PDF

41.0 KB Created: 2020-08-19 07:40:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 88eb1b1f985f9d79d6f92bcec4084ca1 SHA-1: a0af385f5816785e3e74e5dc94f3f0ba8e6e34bc SHA-256: 3dfd3cdd2118fc5789ec8ac72324538b73e410b1eba940d5363bb80bf94e3928
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=aaranya+kaandam+full+movie+uncut+version'. This indicates the document is designed to redirect users to malicious infrastructure. Additionally, a PDF link farm heuristic was triggered, suggesting an attempt to generate traffic or distribute content through numerous embedded links. The document body, though partially corrupted, contains text related to a movie title and application metadata, likely serving as a lure.

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=aaranya+kaandam+full+movie+uncut+version In PDF document text
    • http://files.govmation.net/uploads/1/3/0/8/130814056/kaxir_sejuvipu_titokixozumip_pewovuleremu.pdfIn PDF document text
    • http://purivomof.kpadgett.com/uploads/1/3/2/7/132710712/3433586.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/1/0434/3077/2901/files/lugozusenawizavidaji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81603963226.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9904/6553/files/plano_brujas_belgica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1344/6564/files/gewojipag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5245/7369/files/biostatistics_in_public_health.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1863/3894/files/algebra_practice_problems_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7401/9740/files/70202632538.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4460/8932/files/80577309287.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7780/3925/files/22921154656.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2134/2619/files/big_data_tutorial.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_off00004c62.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C62 5380 bytes
SHA-256: a73f9fb9f219b7e145a262cb992d5d254bb1690a82da06c77f624e112e7b80ce
font_01_sfnt_off00005ea3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EA3 10252 bytes
SHA-256: 5815b0b5c45e1d611aa0032a77ed0824fd9b051d074888eeb59f4c07e9faa1c9
font_02_sfnt_off000081ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81EE 16164 bytes
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6