Malicious PDF — malware analysis report

Static analysis result for SHA-256 7dba04c65cc08470…

MALICIOUS

PDF

53.1 KB Created: 2020-08-19 15:39:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: de2b81d15fe2abdd75504ed4c3f4a71a SHA-1: fd90be42d42790c795010a65d0f1204af3718349 SHA-256: 7dba04c65cc084701abd7353fb3c988ce1d371e2c639fc0f4c616795073664a9
170 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to Shopify domains hosting PDF files, but also includes a critical link to a redirector at 'ttraff.com'. This redirector is flagged as malicious and is also present in a 'SEO-redirector lure link' heuristic. The presence of a 'Visual download / call-to-action button lure' heuristic further supports the interpretation that the document is designed to trick users into clicking malicious links. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=charlie+movie++in+isaimini In PDF document text
    • http://files.kreativtouch.com/uploads/1/3/1/6/131606011/pikivutaze-jujakab-japubifovadede-mugoku.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/1/0429/6730/2295/files/the_heart_manual_bm_hegde.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9322/1783/files/77980585726.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5627/4339/files/ninomorerurametixel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0722/1661/files/65544486486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9822/7353/files/54560233237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9714/4990/files/zubimuzolabiwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9925/0081/files/patepuzinelisabasififi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3773/6603/files/maluxerijinopapakolubub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/dazudixetuzumidujogi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5986/3959/files/piwojilofukagabavabanemi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2756/8552/files/telephone_billing_system_project_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/0144/1448/files/the_ultimate_rpg_character_backstory_guide_tg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7652/7014/files/55923615906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7664/9124/files/zusuxazekafebopexiwopenut.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

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006bbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BBE 6440 bytes
SHA-256: 705377623a4c4344e02470fedf876d1ed6f0c7c0eac322cafb15afc9430d14bf
font_01_sfnt_off00007bb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BB2 4892 bytes
SHA-256: bc518452c7e1ea0ff54d95f55c3cf6110f8ad02b8ebd0fbb783d190e7b011940
font_02_sfnt_off00008c31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C31 10684 bytes
SHA-256: f7c20f6896cb4ba72d59d83aad997b86bd35e399f192cb1581f9060aec881b33
font_03_sfnt_off0000b0c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB0C4 16384 bytes
SHA-256: 27d5aa48a66ed6e24074f1b6b97defbd08161f468927a62883f94c9ec160026f