MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to Shopify domains hosting PDF files. One primary link, 'https://ttraff.ru/pify?keyword=pmbok+5th+edition+pdf+download', is identified as a malicious redirector. This suggests the document is designed to funnel users through a link farm, potentially leading to malicious content or phishing sites, under the guise of providing access to a popular technical book. 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=pmbok+5th+edition+pdf+download In PDF document text
- http://files.churchillcalgary.ca/uploads/1/3/0/7/130775750/bawelowixiv.pdfIn PDF document text
- http://files.ansuschoolofsound.com/uploads/1/3/1/4/131453194/b0906070fb.pdfIn PDF document text
- http://files.wishlistprague.com/uploads/1/3/1/4/131437276/3375330.pdfIn PDF document text
- http://files.alicefernandes.com/uploads/1/3/2/7/132740408/zikifakam.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/1/0437/9272/8226/files/94802923371.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0239/5798/files/bokegulerodaradasupelej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80835258875.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0657/4240/files/tilogazupifuletujuwimopud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4375/6954/files/530053131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8340/6239/files/56506840269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8785/4749/files/kozogikoribagawexanis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4386/4224/files/dnd_5e_giant_toad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4117/5190/files/64572718503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/90591578987.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2969/0528/files/banawepawegogajaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1107/8301/files/85992361606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4336/2715/files/juronuzujabiwimebomopig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3900/6632/files/mufogedalu.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_off0000512b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x512B | 5428 bytes |
SHA-256: 4eaf22d1e423e4590db43990037f0c0f3ef2a192a1ee912fcd43f5d6037a5b54 |
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font_01_sfnt_off00006391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6391 | 9916 bytes |
SHA-256: 00059b81a7d38607619190549d5cff7bd6ad1585445ebabe2889a62d2fb5e530 |
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