Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a089f83eeddf228…

MALICIOUS

PDF

54.6 KB Created: 2020-08-12 15:24:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 905b3abdf67620bafc7c1b280f790b2f SHA-1: fefd28fd4308ed601df22581a2c2255586c9abbb SHA-256: 2a089f83eeddf228dfc8b12fb8fd88c68ef4b740a7a2a284a4ca869ee773f903
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.com/pify?keyword=100+qualities+of+a+good+teacher+pdf'. This indicates the document's primary purpose is to lure the user to a malicious site. Additionally, a PDF link farm heuristic was triggered, suggesting the document is part of a larger SEO poisoning campaign. The document body itself contains the malicious URL and appears to be a lure for a PDF download.

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.com/pify?keyword=100+qualities+of+a+good+teacher+pdf In PDF document text
    • http://files.fullspectrumdoulacare.com/uploads/1/3/1/4/131408913/f1460.pdfIn PDF document text
    • http://files.abbeyroadbeatles.net/uploads/1/3/2/6/132695438/9801093.pdfIn PDF document text
    • http://files.broadhorizonsenglish.org/uploads/1/3/1/0/131070124/8706673.pdfIn PDF document text
    • http://vivoj.associationoflifelonglearners.org/uploads/1/3/2/6/132681579/1662317.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/1/0433/8286/6072/files/vepibivaruxosa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6345/9496/files/.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8761/8463/files/likajaguwep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8764/3303/files/sanibel_island_tides_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0884/2152/files/bokekesugexajagun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8828/9694/files/sabexopopofokiwutifosuf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5591/4918/files/bienestar_social_empresarial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3786/7687/files/wamira.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2280/3363/files/21740593763.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8631/5671/files/29709974908.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9896/4117/files/zubijepedajesuxawosirab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0491/9971/files/adverbs_of_frequency_exercises_b1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xazijejizamoketabuguta.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009673.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9673 5644 bytes
SHA-256: 04a419410f0c5e7d24a108db12faeb60b5d0e95bc3b932415e4a1cc15b2333bc
font_01_sfnt_off0000a98d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA98D 10452 bytes
SHA-256: 80514c5474700f0655ea4d95d6f859cdd854efe8a1979d5cca336e0666a70b59

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