Malicious PDF — malware analysis report

Static analysis result for SHA-256 eabb25c732c3a735…

MALICIOUS

PDF

49.4 KB Created: 2020-08-17 05:28:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 369d518bcd9c8288edda71b16aef0684 SHA-1: e228aff28a2cbf796d0d978959c1394b737701c5 SHA-256: eabb25c732c3a735f6023f5d2f6ff006713ea6b1b75d4b276b9d2b1c042a680e
194 Risk Score

Malware Insights

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

The PDF contains a lure for "Bihar board class 12 admit card" and embeds numerous links, including a critical redirector link to ttraff.ru. This suggests the document is designed to lead users to malicious infrastructure, likely for further exploitation or credential harvesting. The ML classifier strongly supports the malicious nature of this PDF.

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=bihar+board+class+12+admit+card In PDF document text
    • http://files.crystalsgymnastics.org/uploads/1/3/1/4/131452977/jifukiduluwinu-kunote-miwiw-mozoroponafex.pdfIn PDF document text
    • http://mamusel.customtattooingbydavid.com/uploads/1/3/1/4/131452821/12adf9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7367/4142/files/jorisiwunarupesepemenu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/581871399.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3422/9398/files/gozifipaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0009/4112/files/kartilya_ng_katipunan_ni_emilio_jacinto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6092/7393/files/the_a._b._c._murders_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2737/3990/files/why_was_crossing_jordan_cancelled.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9338/4599/files/sageworozonunuxoni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4652/6376/files/furowefumonerivevitide.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

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000643b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x643B 5552 bytes
SHA-256: 64663971c7f0b7eb80c7bf0124c2e6ecf524908cf27607996c015f15a38e42c7
font_01_sfnt_off000076ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76EF 12664 bytes
SHA-256: 46c9a996cdd16c93bf37ca564b18ade0a6310f86b8ce6fa73c1c0334b6b12a62
font_02_sfnt_off00009fd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9FD6 7428 bytes
SHA-256: f92d4dd39966326576497661c9027334bd21559092fd52b9e59a7a236391a818

Open this report in the interactive analyzer, or submit your own file for analysis.