MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links, many pointing to Shopify domains hosting PDF files, suggesting a link farm or SEO manipulation tactic. One primary URL, 'https://ttraff.ru/pify?keyword=adobe+caslon+pro-+semibold+font+free', is identified as a malicious redirector, indicating a phishing or malware distribution attempt disguised as a free font download. The ML classifier also strongly flagged this PDF as malicious.
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=adobe+caslon+pro-+semibold+font+free In PDF document text
- http://sogurotuf.themojoradioshow.com/uploads/1/3/2/7/132712072/gurusakozopinaw.pdfIn PDF document text
- http://files.coffeesonme.com/uploads/1/3/2/7/132741430/vamelosuxogonajolopu.pdfIn PDF document text
- http://files.skylinebitandspur.com/uploads/1/3/2/3/132302999/4cd9ed6.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/1/0430/0672/2211/files/kotirujikus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5816/5925/files/2014617219.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4616/6943/files/76278401889.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7325/7118/files/6219689111.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2341/6987/files/biology_1st_year_book_sindh_board.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1740/2530/files/mafadizogakafev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1459/4464/files/html_input_type_file_only.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4977/files/balancing_equation_in_chemistry.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7365/9292/files/avian_influenza_indonesia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8760/9497/files/badepofarejigebomajuwid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/mapamundi_con_nombres_a_color.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/68665046960.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0319/8115/files/22337571677.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4617/3852/files/mechanism_of_heterogeneous_catalysis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7084/9177/files/basic_civil_engineering_ktu.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5181 | 5460 bytes |
SHA-256: 5e0ff58ff967bf465fe3474e5789e1ce3a11459865cc604dc6aceb0e763127a6 |
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font_01_sfnt_off000063f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63F2 | 14460 bytes |
SHA-256: a0e96950de5d2d0fb4ce25cd5c6c59ce3d7e57dee912564ef4a73cfb506dda3c |
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