Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6bd680ab0823fd5…

MALICIOUS

PDF

40.7 KB Created: 2020-08-25 18:05:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c1b2cca00018a31560de199ffadc16f4 SHA-1: 4acfd5279a3e9cc2d6419931d6f26347efe7b633 SHA-256: f6bd680ab0823fd5f68d3d58b22691d25378a95656473f80a1f4d2a1b777e7c1
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a high number of embedded links, many of which point to external resources, indicating a link farm. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to lure users with a search query for 'view bing maps on android'. This suggests a social engineering attack designed to drive traffic to malicious infrastructure.

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=view+bing+maps+on+android In PDF document text
    • http://jegudoda.hallmarkluxury.com/uploads/1/3/1/8/131856602/3bf71877c280.pdfIn PDF document text
    • http://damaji.sitchinstudies.com/uploads/1/3/1/4/131438873/ed8e4451326.pdfIn PDF document text
    • http://sewoxus.benthesaxguy.com/uploads/1/3/1/4/131408027/xagodi.pdfIn PDF document text
    • http://files.morroandjasp.com/uploads/1/3/0/9/130969375/wojerodijudo.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/1/0428/3963/8179/files/majomiwokefitibod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8525/9159/files/amar_chitra_katha_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7679/7081/files/57928596761.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9801/3845/files/tuvefibimosudidaluz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1135/0439/files/30676682096.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3698/9850/files/tojulakexolimu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2076/0741/files/online_adobe_reader_editor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/fake_company_names_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7873/8335/files/96249750677.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1165/4307/files/6842122074.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/8258/6014/files/kobujexekas.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000612f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x612F 5444 bytes
SHA-256: 20bb36977a2c3c79497f2604ffafc23249b8817297b4cda5d8acfaf18be5f496
font_01_sfnt_off000073a4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73A4 10096 bytes
SHA-256: 9702623fee38a08820256e1fb1ea5c3aab17b3a0c85250126e5f85b841a5c2ed

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