Malicious PDF — malware analysis report

Static analysis result for SHA-256 78cc5b53a02402c6…

MALICIOUS

PDF

45.5 KB Created: 2020-08-04 10:08:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3fcc0bad3ca3f2bba5004d1219c344fd SHA-1: 461afa49db587f78dcfcc6b74dc87c925499936f SHA-256: 78cc5b53a02402c66ae54a3468cbe59c02716c4bc09ab17c163500c7a7c56fc9
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded links, many of which point to redirector infrastructure. The primary redirector URL, https://ttraff.com/pify?keyword=spatial+strategies+for+interior+design+pdf, is flagged as malicious and used in a link farm tactic. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure users into clicking malicious links under the guise of a design 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.com/pify?keyword=spatial+strategies+for+interior+design+pdf In PDF document text
    • http://files.violashe.com/uploads/1/3/1/4/131455463/vewuxilevejetiwew.pdfIn PDF document text
    • http://files.mikemythphotography.com/uploads/1/3/0/8/130874317/gadek.pdfIn PDF document text
    • http://files.chicopeemabouncehouserentals.com/uploads/1/3/2/8/132814969/7a22c67754d1b6.pdfIn PDF document text
    • http://files.aera19.net/uploads/1/3/1/4/131454373/wufidaxajoxuzidupep.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/1/0437/3735/0309/files/22363827602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5673/4109/files/gujid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3519/6568/files/1478173478.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6826/8456/files/24860561888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8475/0747/files/xejururojemenevuvesu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2873/4375/files/51543139306.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3860/4450/files/59784113520.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1403/7397/files/54898942408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9340/2534/files/35337277374.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5381/6728/files/94686217299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/polonafebomi.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 6

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007380.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7380 5312 bytes
SHA-256: 9a429a09531f0012579c03889ddb65107c750a2e93d8ce857dce2c8dd67be6ec
font_01_sfnt_off0000859c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x859C 10452 bytes
SHA-256: 661d7c62cc0a45d2ae36040cd428ec74e0de13e74136de8df278a78462cf31e7

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