Malicious PDF — malware analysis report

Static analysis result for SHA-256 18840edd632401fb…

MALICIOUS

PDF

43.4 KB Created: 2020-08-09 18:52:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e9bea8cdd91188396217f798659543a2 SHA-1: ad2530d4d1d12f57dfcf992134c19270d8940419 SHA-256: 18840edd632401fbb64f9fee622ac3c21d020ccef401f551f8ff92b97af076aa
194 Risk Score

Malware Insights

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

This PDF file contains a link farm designed to appear as a book download, but it redirects to a malicious URL. The primary malicious URL identified is https://ttraff.cc/pify?keyword=cry+the+peacock+by+anita+desai+pdf. The ML classifier strongly indicated maliciousness, and the PDF structure suggests an attempt to lure users through deceptive content.

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=cry+the+peacock+by+anita+desai+pdf In PDF document text
    • http://files.parachuteteachers.com/uploads/1/3/1/3/131398504/5458814.pdfIn PDF document text
    • http://files.eiud-eg.com/uploads/1/3/0/7/130776374/xodovajivir_sajafu.pdfIn PDF document text
    • http://files.grandparentsforsocialaction.org/uploads/1/3/0/8/130815017/juvepanowogo-kemadadiluvefaw.pdfIn PDF document text
    • http://files.montessoriclassics.net/uploads/1/3/2/6/132681863/1fd1d.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/1/0433/0687/7080/files/3215656586.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6890/0006/files/8302344719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8907/6117/files/gutafonekefafejuxamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3311/6315/files/7_day_sugar_detox_meal_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/sales_process_mapping.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4160/2208/files/dotatar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4944/1688/files/83397986709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9495/0556/files/84025918114.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5442/3445/files/97141894317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/2969/5397/files/differential_calculus_by_shanti_narayan_and_mittal_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9784/7976/files/difference_between_verbal_and_non_verbal_communication.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0084/7781/files/tapaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9860/3669/files/discord_verified_games_list.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_off00006ab8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AB8 5424 bytes
SHA-256: 57738cdc23aa5a11628c300531cb0cea15f36b27a72369251b6920b35c1b0715
font_01_sfnt_off00007d1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D1F 10244 bytes
SHA-256: 2ee13ce47c15a20e8c6f11afcfb0678a189ce3c6080c81f239c9bf69c11b909a

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