MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) that is flagged as malicious. The document body and heuristics indicate a lure for free downloads, likely leading to a phishing or malware download site. The ML classifier strongly supports the malicious verdict.
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=august+month+current+affairs+pdf+gradeup In PDF document text
- http://files.fotoartbyvincent.com/uploads/1/3/0/7/130775249/1737804.pdfIn PDF document text
- http://files.lotusandlaurelyoga.com/uploads/1/3/1/4/131452883/7497087.pdfIn PDF document text
- http://files.stmichaelslc.com/uploads/1/3/0/8/130874358/gujowuvakonupikuwix.pdfIn PDF document text
- http://files.stephenwitkin.com/uploads/1/3/0/7/130775306/vavasefakobopu.pdfIn PDF document text
- http://zejiforat.fyiexpress.com/uploads/1/3/1/6/131637814/jukat_lowopilemuruseb_rugajari.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/1/0434/8562/6520/files/xevelosese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4739/4199/files/do_the_harlem_shake_trick.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6923/5619/files/goweboruvol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1293/2255/files/wetafisuromo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8385/8080/files/78757295321.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5690/6918/files/vumovalikujaboruv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2434/1400/files/80239043982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6332/6358/files/81968630711.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3950/5056/files/learn_spanish.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6629/2389/files/29893754354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8259/6008/files/3343581987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7619/8305/files/ferizufebajakunetegesir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5354/7677/files/netuxujukinofedizekonid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8216/1053/files/oil_seal_cross_reference_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7240/5157/files/jokeputavokigokawu.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_off00005870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5870 | 5408 bytes |
SHA-256: e6c69e12b761745494dea4aef683eba415ac118f842f01a7c08483eaab4c1ec4 |
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font_01_sfnt_off00006a9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A9E | 10548 bytes |
SHA-256: 55f631d57354af0ddd9d3512ba96ee331e628352f82576cfc598445dd1c89246 |
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font_02_sfnt_off00008ead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EAD | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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