MALICIOUS
234
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.cc/wb?keyword=english%20jurisprudence%20mcqs%20pdf'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the first being 'https://cdn.shopify.com/s/files/1/0429/2853/7753/files/vodasuluzukamulud.pdf'. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the same redirector URL, reinforcing the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/wb?keyword=english%20jurisprudence%20mcqs%20pdf In PDF document text
- http://files.jimpendergrass.com/uploads/1/3/2/8/132815961/xabixejeje-nenowapiwage-jisematonalon.pdfIn PDF document text
- http://files.mrdavolatech.com/uploads/1/3/1/8/131872295/6725142.pdfIn PDF document text
- http://gikonal.massillontigerinstructionalresources.com/uploads/1/3/1/3/131384284/2060991.pdfIn PDF document text
- http://vaniruro.jalbrightclassroom.com/uploads/1/3/1/4/131407469/7543187.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/2853/7753/files/vodasuluzukamulud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1965/7628/files/kinobo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2873/3352/files/72859422527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/32600433864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6588/5351/files/27582237903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1480/6937/files/boxuwet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/4139694168.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6211/7030/files/48822479904.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7275/7670/files/3302906563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5247/4280/files/ed_and_ing_adjectives_explanation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4887/7736/files/tatalaksana_diare_pada_bayi.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CF7 | 5208 bytes |
SHA-256: 52a03909624d417be590745de661a892a1bb7caab71faf34081a56b8a7233be2 |
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font_01_sfnt_off00006e74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E74 | 10532 bytes |
SHA-256: c8ea15f0c3620da3f24b90b5f3ae53c011b40712544ff361eff32771505a141c |
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font_02_sfnt_off0000922c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x922C | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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