Malicious PDF — malware analysis report

Static analysis result for SHA-256 744bf04b5bc8475a…

MALICIOUS

PDF

44.2 KB Created: 2020-08-21 02:44:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 20d21859cc1c3a0bb1f8cd7adaa9772b SHA-1: 7fbb4b18425d6af7176c18b4571a61e82a78b4b2 SHA-256: 744bf04b5bc8475a2dba14c9dbc0b649fffd8d71cb968fc41233a742ef43dd34
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, including one pointing to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a lure related to 'responsive html5 template themeforest' and includes the malicious redirector URL. This indicates a phishing or malware distribution attempt using a link farm strategy.

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=responsive+html5+template+themeforest In PDF document text
    • http://gijavuro.totalbusinesswebsitesolutions.com/uploads/1/3/0/7/130739892/ziwimewo.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/1/0438/3077/1869/files/list_of_corporations_in_tamilnadu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9870/9917/files/cambridge_english_for_engineering_student_s_book_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4065/2960/files/34577744406.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5071/9642/files/credit_rating_agencies.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2992/1943/files/62905073400.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5946/8701/files/nalomibesejevofadokugo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8919/9268/files/xekuxamoligibakapibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4292/9821/files/83444323708.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9592/4637/files/46176843291.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78578063821.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2413/7890/files/dizabapenosejex.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063b8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63B8 5120 bytes
SHA-256: dc2b12da0e51ccf64a1197a86c6c760c612bd14578d4765d81220829bc31c4d2
font_01_sfnt_off000074f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74F7 9552 bytes
SHA-256: 4b66ac43653a9f6483c361a776805ee0d98c7497cc77b743d2beaf7f60295359
font_02_sfnt_off0000959a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x959A 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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