Malicious PDF — malware analysis report

Static analysis result for SHA-256 07cebcd5f7589102…

MALICIOUS

PDF

88.5 KB Created: 2020-08-06 17:11:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b95a6fa23fe45f48bdce481e2aa6b68e SHA-1: cfee6b71c1b15a76500985c2ac53736db455f3ba SHA-256: 07cebcd5f7589102800017e9416c12028c4166ee383e56a969c60b80563bef38
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to a redirector service (ttraff.com), suggesting a link farm or phishing lure. The document body, though heavily obfuscated, contains text related to 'character development chart pdf' and the malicious URL, indicating a deceptive pretext. The ML classifier strongly flagged this PDF as malicious, and heuristics confirm it links to known malicious redirector infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=character+development+chart+pdf In PDF document text
    • http://gafiluko.fineartscamp.org/uploads/1/3/2/8/132815028/3f8a1d06a52.pdfIn PDF document text
    • http://files.humanesocietyofaurora.org/uploads/1/3/0/7/130776714/21b8d8.pdfIn PDF document text
    • http://files.hlhas.com/uploads/1/3/1/4/131483550/wuvoxipepuzan.pdfIn PDF document text
    • http://files.mskhor.com/uploads/1/3/2/6/132682570/fewogedawox-xabuguj-dajelenudunexo.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/1/0432/5723/3576/files/1557448806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3425/5258/files/larousse_english_french_dictionary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1008/8360/files/5663567686.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1725/6605/files/waiting_for_godot_act_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4964/7270/files/20097880590.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8346/3832/files/73792914780.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8604/3541/files/berizomutavosobem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0436/2906/files/13461611575.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5406/9910/files/broadcast_programming.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5195/8947/files/telupevonovolipake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6556/3549/files/tumerezamelidewidovuwinog.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000798d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x798D 6784 bytes
SHA-256: 53f9b39d526019168a00adddc69db7960c17cda355a7cdac2ad12a1f9068d6e7
font_01_sfnt_off00008a98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A98 3136 bytes
SHA-256: 6487091c0070741e646db4a1cda49bb5dd8928231115cd9838b724a369c8679e
font_02_sfnt_off000095c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95C3 5180 bytes
SHA-256: 5f7556b0477fef9b550cc6cf6749ce6e51cad33e45435aaa6b1b312fa154e114
font_03_sfnt_off0000a739.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA739 33992 bytes
SHA-256: 601d6200778ebef97dbb9561bbd5b7388b13aca6375221bff422d1c6a745b640
font_04_sfnt_off00010d2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D2C 13340 bytes
SHA-256: 338f71787b37853a883b0f98a723c55f49523a1c2ee5818165cfa170140979eb
font_05_sfnt_off000137e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x137E5 18204 bytes
SHA-256: 38f5c3b2777d4bb01ea8dc6d10b7798934264e105fb2df161bd2d14060291d00

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