Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc2e718ccb03f8ff…

MALICIOUS

PDF

43.0 KB Created: 2020-08-07 20:06:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 340e46af333990f6bc5ee94a9a1036f4 SHA-1: 33743d43c1db09998725f1bd9d5e8a3a1ccd5589 SHA-256: dc2e718ccb03f8ff0baa50df172282a5c3ae4647299b835df50caafc90b9103e
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, specifically pointing to 'https://ttraff.cc/pify?keyword=microstrip+antenna+theory+and+design+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious document. No scripts were extracted, but the document body and heuristics strongly suggest a phishing or redirection attack.

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=microstrip+antenna+theory+and+design+pdf In PDF document text
    • http://pusoruna.coolanniestravels.com/uploads/1/3/1/3/131379578/7738159.pdfIn PDF document text
    • http://files.mimisyummies.com/uploads/1/3/1/3/131381518/dugefagazu-zurezu-nekikanax.pdfIn PDF document text
    • http://files.marwanhaddad.com/uploads/1/3/0/7/130740563/3598000.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/1/0431/2052/5476/files/99988776438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3027/3434/files/passive_writing_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/12318985288.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5286/6467/files/87758646068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3513/0018/files/30937746317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1684/6488/files/latepoderopaxakajajitebu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3240/4380/files/kebejizavapona.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0975/9640/files/pasonurunevemesodobatima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2961/1171/files/23405967574.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1329/9620/files/zigomosagiluva.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 4

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_off00005caa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CAA 5280 bytes
SHA-256: 65abca298b969bf7229473f0bd0e6c61d0ef4e5e9890dfcfeeb2719750cf3266
font_01_sfnt_off00006e9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E9B 10012 bytes
SHA-256: dae029a20149afdd79179948d0f854ec24a907c8493bff3f005f00fdb4b9742a
font_02_sfnt_off000090be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90BE 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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