Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd8297e8cc0d3bb5…

MALICIOUS

PDF

43.0 KB Created: 2020-08-27 13:38:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b1d07beb0d53a9825bacbea80e43b1fc SHA-1: c4182dcd7de7255ef0216f6bb9c8716781fb5922 SHA-256: fd8297e8cc0d3bb5afa71db8fcd53ef1d26f4ce93b56c749f9f3909a1cdd6563
194 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link disguised as a marriage certificate form, aiming to trick users into clicking it. The ML classifier strongly flagged this PDF as malicious. The embedded URL leads to a redirector, which is a common technique for delivering further 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=marriage+certificate+form+gujarat+pdf+in+gujarati In PDF document text
    • http://files.body-knowledge.com/uploads/1/3/2/6/132681824/2094315.pdfIn PDF document text
    • http://zulew.ujamaachildren.com/uploads/1/3/1/4/131409167/jomuj.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/1/0434/5430/0312/files/40427400006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7841/0655/files/powebafidigefaxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4681/4374/files/22855708132.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8482/4222/files/farovakixorizezobo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5920/7582/files/city_car_driving_free_download_pc.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3234/4736/files/oxford_english_dictionarydrive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1836/1755/files/mafeja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2182/0319/files/81648709416.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4678/0566/files/lt_spice_linux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7098/8196/files/jojosagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0910/6335/files/62245695240.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8714/3839/files/maxuduwiposi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4121/6919/files/68129259898.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 8

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_off00005c5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C5A 5228 bytes
SHA-256: 08ada203815735b1779ad6e7f8a8e0ca48f30b09eb50fb2c03591f879010fa93
font_01_sfnt_off00006e11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E11 10060 bytes
SHA-256: b1b4b7a55d94bd9754455ffd22ca46e61491dc1d0dffad408afa55ffff41d358
font_02_sfnt_off0000908b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x908B 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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