Malicious PDF — malware analysis report

Static analysis result for SHA-256 883e7f34e9ebdb9a…

MALICIOUS

PDF

35.7 KB Created: 2020-08-25 11:31:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3908218538c8d321d508ed2d4c5dd7ed SHA-1: e073f642d9d08babd4742e19a2ee693bc23bbc9a SHA-256: 883e7f34e9ebdb9aa4b7399a222b9cc91f1582685b41b3a2692bd4b040b8bd08
194 Risk Score

Malware Insights

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

This PDF file contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains text suggesting a lure related to 'Yogurtland application answers'. The primary malicious URL identified is https://ttraff.cc/pify?keyword=yogurtland+application+answers, which is flagged as a malicious redirector. The presence of many links suggests an attempt to distribute further malicious content or engage in SEO spam for phishing.

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.cc/pify?keyword=yogurtland+application+answers In PDF document text
    • http://files.jihidesigns.com/uploads/1/3/1/6/131607232/2462562.pdfIn PDF document text
    • http://files.gabbyspetsitting.com/uploads/1/3/1/1/131164153/2284047.pdfIn PDF document text
    • http://files.saltwaterstivesbb.co.uk/uploads/1/3/0/7/130740011/2762373.pdfIn PDF document text
    • http://nekelosog.atelei.com/uploads/1/3/0/8/130814297/cce884.pdfIn PDF document text
    • http://files.thefloriculture.com/uploads/1/3/0/9/130969322/e693d3.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/1/0431/9775/9643/files/wurevigewepadiretole.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2266/3325/files/nijugokajakogefef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7766/2875/files/3777161190.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6924/3553/files/fovek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0457/5130/4348/files/tour_guide_barbie_toy_story_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9801/3857/files/wuxigijobap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9028/9574/files/bahubali_2_songs_tamil_hd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2421/9293/files/compuestos_inorganicos_definicion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2030/3011/files/navso_p-_3013-_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2308/9307/files/runasugebeluraz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/76423385748.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2137/7434/files/alif_laila_movie_video.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 8

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_off00004e6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E6A 5292 bytes
SHA-256: d517abe27c4fb8d4ac1c4c38dbe0ea6748749e2d5f839fbb85c360a6c46d30f7
font_01_sfnt_off00006089.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6089 9748 bytes
SHA-256: 1269e78563f4122ce2a4335bb863d3859e9484be7b61e2bc09fbec9eeb459503

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