MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to redirectors and SEO link farms, designed to trick users into downloading further malicious content. The primary redirector URL, 'https://ttraff.com/pify?keyword=atoms+structure+worksheet+pdf', is a strong indicator of a phishing or malware distribution scheme. The ML classifier also strongly indicated maliciousness.
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.com/pify?keyword=atoms+structure+worksheet+pdf In PDF document text
- http://files.donaldtrumpacunt.com/uploads/1/3/1/0/131070859/7520e1f8.pdfIn PDF document text
- http://files.dreamcatchermeadow.com/uploads/1/3/1/4/131406781/rinudovesa-zetija-zenuxoselipafuj.pdfIn PDF document text
- http://gewot.thebrowniecottage.com/uploads/1/3/1/4/131483281/jopudigobuvodokobez.pdfIn PDF document text
- http://files.influencersg.com/uploads/1/3/2/3/132302888/e536e3.pdfIn PDF document text
- http://files.largeandpage.com/uploads/1/3/0/8/130815228/vajekopikirobut.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/1/0431/5804/4827/files/21425611237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5915/1009/files/74152395571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niwaxesajikibulunetegidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4674/7803/files/wewuzelegasupijuzifog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jaxigosileworu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6265/6157/files/41454738640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3165/7621/files/71810667437.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3490/1671/files/d_d_complete_scoundrel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2208/8354/files/mazixedizimanonifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8152/1569/files/bsc_mlt_syllabus_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8306/3715/files/ccdp_arch_300_320_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/bupovixetogokogefuloj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3069/9414/files/47440249612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4757/4943/files/bipadanitonewefilapuse.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_off0000662e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x662E | 5024 bytes |
SHA-256: 29680e449f0407a4745cd336ee66fe7d337ee78fea7f407a444ec98cab46984a |
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font_01_sfnt_off0000775c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x775C | 10356 bytes |
SHA-256: c6cc3acac083b1774fea172e4bcb27eaa86301b9ef8ce2c3639e6aa865fed43f |
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font_02_sfnt_off00009ad3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AD3 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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