MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'dilations observations worksheet answers' and the malicious URL, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy, likely to obscure the malicious redirector. No scripts were extracted from this sample.
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.ru/pify?keyword=dilations+observations+worksheet+answers In PDF document text
- http://files.intentionalenrichment.com/uploads/1/3/0/7/130775027/sopuvasamapofe-mekuwo-lipebegidu-dukogesafom.pdfIn PDF document text
- http://dalopuge.allterrainridersatvclub.com/uploads/1/3/0/8/130814237/fuwenixaja.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6120/6422/files/3d_live_animated_wallpaper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4318/2999/files/pdf_booklet_printing_wrong_order.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2199/9008/files/wonexifabut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5757/8138/files/applied_social_science.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1767/4656/files/frans_ferdinand_take_me_out_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9857/0909/files/bengali_song_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/88252951383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1574/9281/files/38859901769.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/paxotaxazojulilinitulo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1332/2398/files/jeturuguzaporerofale.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8947/7273/files/cardiopatia_congenita_en_lactantes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/35721034791.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6605/7116/files/rezebupesugenivivobob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2099/9064/files/mimejevid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6598/3655/files/60959654850.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A57 | 5128 bytes |
SHA-256: 6aaee87ac1d8c77a27a6cd5e592ac600e841d5444881a2137d9e3df036ededf4 |
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font_01_sfnt_off00007bd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BD4 | 10124 bytes |
SHA-256: c98bf9786b45427aa41f8d084384307763efcaae5430357e3df17860b538daa6 |
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font_02_sfnt_off00009ec7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EC7 | 16148 bytes |
SHA-256: 49436f94d5abf10ca6af8af9848174aab82dfe7bc58a5146411d238fd5c76648 |
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