Malicious PDF — malware analysis report

Static analysis result for SHA-256 e519cf4148760c32…

MALICIOUS

PDF

47.9 KB Created: 2020-08-03 02:53:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 888441e316d7ee59275c2459a509d75e SHA-1: 1dcfb4debd7eceb01ac54454f387752ee4188806 SHA-256: e519cf4148760c3213f7dbde7d87ab3ad084a8423c279753db93ae87f97c6679
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=java+code+for+games'. This indicates an attempt to direct users to malicious infrastructure. The document body, though heavily obfuscated, also contains this URL, reinforcing its role as a lure. The presence of numerous other PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious PDF.

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=java+code+for+games In PDF document text
    • http://files.mustlikeplants.com/uploads/1/3/1/4/131438059/36a664.pdfIn PDF document text
    • http://files.silvastudioart.com/uploads/1/3/1/3/131383727/c2b014a40.pdfIn PDF document text
    • http://files.adamscounty5kchallenge.com/uploads/1/3/0/8/130874278/turuv.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/1/0434/8231/6957/files/51507500188.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4506/9724/files/dasamomifutedim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6962/8828/files/xodideni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7029/1096/files/briggs_and_stratton_owners_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7345/2697/files/91371244589.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2421/1354/files/oum_kalthoum_mp3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6281/3084/files/najubodunirezisoza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4864/8354/files/xamabukusejomokuvusuwazum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8660/0609/files/nakibesoxagudiluf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0558/3266/files/58268552367.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1474/8322/files/tang_soo_do_forms.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5486/6333/files/zutakiwizanadinel.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 3

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_off0000701e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x701E 4912 bytes
SHA-256: a45c4b243578d635abd80d55d8d4c8b10f01b3bdf3fee72d1f2175673062855d
font_01_sfnt_off000080c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80C8 10524 bytes
SHA-256: f2cce5a3f48a6c254c3f2e61266101c2d29316009ad3e473493f2ff7f363d575
font_02_sfnt_off0000a4b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA4B2 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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