Malicious PDF — malware analysis report

Static analysis result for SHA-256 84534ebd71707984…

MALICIOUS

PDF

72.8 KB Created: 2020-08-26 03:26:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 02950cdb12a8b371e9a36d45fac878c4 SHA-1: 2472765a9cfeeb421b80fbbe79ad750137d690d6 SHA-256: 84534ebd717079843ca41d60d98cf62db4a56ae078d0389376d0db293f4df795
234 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The embedded URLs point to a redirector service (ttraff.com) which likely leads to a malicious payload or phishing page. The presence of 'cmd.com' in the document text, alongside URLs, suggests an attempt to execute commands or exploit vulnerabilities.

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.
  • 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.
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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=43.+0799%252C+79.+0747 In PDF document text
    • http://files.missionsquarewhittier.com/uploads/1/3/1/4/131437276/sunozeg.pdfIn PDF document text
    • http://files.tomorrowphotos80.com/uploads/1/3/1/8/131871740/522e8e5e.pdfIn PDF document text
    • http://pikotiveb.remotecmd.com/uploads/1/3/0/8/130874118/459f6d1b.pdfIn PDF document text
    • http://files.betheluccspringgrove.com/uploads/1/3/0/8/130813973/1763275.pdfIn PDF document text
    • http://files.clinicalpsychologyservices.com/uploads/1/3/1/6/131606069/xupofosuwijo_xokimuwow_popuxokunuxe.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/1/0433/3695/8104/files/evolution_of_multicellular_life_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0191/3244/files/astm_e8_tensile_specimen_dimensions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1812/5465/files/12538535806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6200/1821/files/37599128888.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4949/9289/files/milejupigulemonerulireka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6430/9413/files/cats_and_dogs_movie_tamilyogi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5312/9629/files/curso_de_ingles_para_principiantes_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7180/7391/files/82207153510.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7079/9510/files/dowuwulozojunuwotulir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5704/5913/files/tuzujokamoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2827/4582/files/82390807391.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e1cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1CF 4788 bytes
SHA-256: cad0595d7b60f7783811ad992eda978699d28081dd11e8b5b8f67142bba1a4b2
font_01_sfnt_off0000f24b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF24B 10604 bytes
SHA-256: dff234ab12d12879003a96cadeebedcaf9ee8547fca6df705ed44d05cf637e25