Malicious PDF — malware analysis report

Static analysis result for SHA-256 a437b24c0967f5f8…

MALICIOUS

PDF

41.5 KB Created: 2020-08-23 04:05:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b0c0cbfded820aaefca73c9090799e65 SHA-1: 53172983183dfd3937312efd1629bcd11ebf42b6 SHA-256: a437b24c0967f5f801bd9e102dec33695a51d38a7a1d299f9150fdb6b084160c
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one heuristic specifically identifying it as a PDF link farm. The primary malicious URL, https://ttraff.ru/pify?keyword=premabhishekam+film+songs+free, is flagged as a malicious redirector. The document body contains garbled text and embedded URLs, suggesting it is not intended for legitimate user consumption but rather for malicious purposes such as SEO manipulation or redirecting users to harmful content. No scripts were extracted from this sample.

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.ru/pify?keyword=premabhishekam+film+songs+free In PDF document text
    • http://bedivupak.ihopeyourlife.com/uploads/1/3/1/4/131438474/fefiwize_lipunowupid_sizoliz_bigese.pdfIn PDF document text
    • http://files.houseofinferno.com/uploads/1/3/1/1/131164312/2909270.pdfIn PDF document text
    • http://files.woodsideschool.org/uploads/1/3/0/7/130776821/xumawesujiwax-bubuxarojesom-werigelixoda.pdfIn PDF document text
    • http://zinet.nic-hunter.com/uploads/1/3/1/0/131070841/5601128.pdfIn PDF document text
    • http://wixexe.trupbsc.ca/uploads/1/3/1/0/131069869/4468639.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4714/7928/files/art_and_the_christian_apocrypha.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9229/5333/files/bomafi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4925/4041/files/36215171242.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8153/9488/files/37821739280.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6833/2959/files/sakujidipa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/34707652888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7710/7865/files/kudezarut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/22817715838.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2476/7400/files/geometrical_interpretation_of_integration.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81108552740.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005517.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5517 5092 bytes
SHA-256: c096bceb4f574808172200305b509fd31c073c21bd2e69556df81793fb998c69
font_01_sfnt_off0000662d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x662D 11004 bytes
SHA-256: e01d810056cd32b295597a36ee39a3810f0073a01332e4acbc9904147751c5d2
font_02_sfnt_off00008bae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8BAE 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3