Malicious PDF — malware analysis report

Static analysis result for SHA-256 7346fb1b51d0217e…

MALICIOUS

PDF

42.2 KB Created: 2020-08-03 10:10:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e39188a074133718a147bf8ef57d05fa SHA-1: 510563b1d23b331871c7d6ca2193c9806266b29c SHA-256: 7346fb1b51d0217e86eb5e9acfcb16dacd35ce2abc5138f81deb0700abf87a16
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) that is known to host malicious content. The document body, though heavily obfuscated, contains text related to 'how to delete orders on amazon' and the malicious URL, suggesting a phishing or scam lure. The presence of numerous PDF links and a malicious redirector indicates an attempt to lead the user to a compromised or malicious site.

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.ru/pify?keyword=how+to+delete+orders+on+amazon In PDF document text
    • http://files.ridgelinefarm.org/uploads/1/3/0/7/130740563/defum.pdfIn PDF document text
    • http://files.brewerfirstrobotics.com/uploads/1/3/2/6/132681558/gitulebe.pdfIn PDF document text
    • http://files.better-gro.com/uploads/1/3/0/7/130739570/d9026a65.pdfIn PDF document text
    • http://files.keitharchitects.com/uploads/1/3/1/6/131606803/wuxuwapas.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/1/0430/4312/7447/files/18199132568.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0763/1782/files/17306926020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3120/6808/files/xizareruzezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3260/7894/files/66041545802.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8685957786.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6079/6318/files/16647148183.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4908/2264/files/tubuxoxefeti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9544/7970/files/nogubararat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5804/4827/files/21425611237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nadogenomaxijedunebenez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4434/6792/files/52777025527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1379/9066/files/pevoselilot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4795/2292/files/rujatereboluf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5721/5648/files/42591604970.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9419/4843/files/48019934795.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 4

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_off000066fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66FD 5076 bytes
SHA-256: d11664765908f3fe2c9c8050142adc756ffde556835bbdb2c141e979522ad358
font_01_sfnt_off0000783f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x783F 10320 bytes
SHA-256: e4894fea6e5eca501ab17c6076a5d1835bcf0c1e28d7482d81f97fea1f555e70

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