MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a direct link to a known malicious redirector, suggesting a phishing or scam attempt. The document body presents a worksheet title, likely as a lure. The ML classifier strongly indicated maliciousness. No scripts were extracted, but the presence of numerous embedded URLs points to a delivery mechanism for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/pify?keyword=identify+the+adjective+in+the+sentence+worksheet In PDF document text
- http://xuralo.38plus2productions.com/uploads/1/3/1/3/131398177/nejuwisugobad.pdfIn PDF document text
- http://files.moabgearheads.com/uploads/1/3/1/4/131483184/reboxumam-pabifeletos-navalolojamob-tamimok.pdfIn PDF document text
- http://files.kdgdistribution.com/uploads/1/3/2/6/132682936/9713459.pdfIn PDF document text
- http://files.nayaung.net/uploads/1/3/0/7/130775859/6038679.pdfIn PDF document text
- http://files.dioperez.com/uploads/1/3/1/6/131607522/6886621.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/1/0429/9010/8833/files/watumifepedifamigix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6599/9511/files/53976324135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6017/3717/files/capricorn_man_secrets_anna_kovach.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5371/1513/files/addison_disease_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9019/8180/files/games_button_vector_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6658/0382/files/76810828352.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3280/5527/files/powediruvaruxopikud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9801/3845/files/embroidery_stitch.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4614/2114/files/norma_de_cirugia_ambulatoria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9372/1255/files/37226914005.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4638/7362/files/monster_hunter_world_discord.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5466/0758/files/34061252513.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4496/1442/files/present_perfect_tense_with_already_and_yet.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_off00005f1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F1D | 5196 bytes |
SHA-256: 62553a4460c03f0a48a3dde6a2a17d8f498284dbe27c3905d773975400fd81df |
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font_01_sfnt_off000070d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70D6 | 9792 bytes |
SHA-256: 0bcee1bb75ea38afdf98cc4055b84e476eea98432fa970d769e6e5256da249a2 |
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font_02_sfnt_off00009233.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9233 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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