Malicious PDF — malware analysis report

Static analysis result for SHA-256 35088031169623e8…

MALICIOUS

PDF

40.8 KB Created: 2020-08-13 11:07:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4daba11600378e8d53c5664e2c676809 SHA-1: d14872dcf60a8cb1787827d2a1d6ed30d88c46db SHA-256: 35088031169623e8ed742ed6ea04638a381cae7735a319fe14205e8cbdede920
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link to 'ttraff.com'. The document body, though partially corrupted, contains text related to 'Mppsc exam syllabus 2018 pdf', suggesting a lure to disguise the malicious intent. The presence of a link farm heuristic further supports the malicious nature, aiming to drive traffic to potentially harmful sites.

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/wb?keyword=mppsc%20exam%20syllabus%202018%20pdf In PDF document text
    • http://tiduk.jdgivens.com/uploads/1/3/1/8/131871745/b38076f26746963.pdfIn PDF document text
    • http://files.psychoslaughterman.com/uploads/1/3/0/7/130740199/bugevokajisowi_lebufobijorub_jodowexunaxez.pdfIn PDF document text
    • http://files.durbanafrica.co.za/uploads/1/3/0/8/130814043/wowemupezowolu.pdfIn PDF document text
    • http://files.kstrainingacademy.com/uploads/1/3/1/3/131381640/kufalu_niduvabazeb_dazozutupero.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/1/0437/5193/2056/files/pdf_to_word_converter_online_free_no_email.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5025/3979/files/devejugumilukupelino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/8138/8452/files/edgar_allan_poe_cask_of_amontillado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5254/7739/files/45523111341.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9432/7974/files/ansys_17_cfx_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0216/5410/files/damexasitam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5725/8402/files/83146611632.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6280/4136/files/42652915562.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1501/2511/files/periodontitis_and_diabetes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8150/5695/files/human_psychology_book_in_urdu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4642/0132/files/87950799975.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3406/7615/files/gepifivakuxen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6318/9405/files/captain_america_winter_soldier_4k.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_off00005f1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F1C 6040 bytes
SHA-256: 5712b30bd6766a54e8772e7fef7eb8453283ca008ec15db38d9cf2b51a83095d
font_01_sfnt_off000073b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73B1 10168 bytes
SHA-256: 713e6247f373c75d85cb9c79b6882d2fe3730e232c4c2a2d6ca2b46ed1fa3371

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