Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea989ad101b8f0b0…

MALICIOUS

PDF

46.7 KB Created: 2020-08-10 15:28:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b971398500e97ab96adbf5ef249a698b SHA-1: 89b5516cb8a4ce362c7825ed94d2f84422b533f7 SHA-256: ea989ad101b8f0b0b940131b14a2d5389e960f92f7cea4b5a22eb97aebf005fd
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary malicious redirector URL embedded in the document body. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically identifies the URL https://ttraff.cc/pify?keyword=2020+calendar+malayalam+pdf+free+download as malicious. The document body text, though partially corrupted, also contains this URL and references a '2020 calendar malayalam pdf free download', indicating a lure for users seeking this content. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=2020+calendar+malayalam+pdf+free+download In PDF document text
    • http://files.vistamapwayfinding.com/uploads/1/3/0/8/130874394/37222.pdfIn PDF document text
    • http://files.holacommunityarts.org/uploads/1/3/0/7/130739776/zurupaba.pdfIn PDF document text
    • http://files.colourismyworld.com/uploads/1/3/2/7/132710697/xazofuzales.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
    • http://smc.org.inhttp://smc.org.inIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9476/0862/files/woocommerce_nested_category_layout.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2611/0885/files/fopolinusidomutoxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/17021258758.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8606/2495/files/vozitoteluwazamekuxevafab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2174/6854/files/verbe_etre_et_avoir_anglais.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1682/2692/files/pexotedapemimudek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2811/9706/files/22820300661.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8709/4177/files/anatomical_terms_of_location.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4749/3536/files/26277194694.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51268900441.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8106/4853/files/rance_vi_walkthrough.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7899/9446/files/ramamoletozebulifada.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
    • https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005249.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5249 5156 bytes
SHA-256: 47c2419fad5f3e6ba26537b58435b9a954a87f4e89ade7a9d5d96b077769b481
font_01_sfnt_off000063a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63A8 3564 bytes
SHA-256: 01ae12343a304e300e5eb03e6771650af3a192ead723f5cb3f9d7cf08eb625e0
font_02_sfnt_off00007172.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7172 4120 bytes
SHA-256: 53e1d9ce404362e524155cceb1b2ac9398ecb6e14ffeb945aa8f4c936b66bcfe
font_03_sfnt_off00007cd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CD9 9896 bytes
SHA-256: b848a772e04afd8b0dddea4f88936b837ec3013479e49c4c9dbd58ac1b809d31
font_04_sfnt_off00009ed2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9ED2 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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