MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a high number of embedded links, many of which point to SEO-optimized PDF files, a common tactic for distributing malware or phishing content. One of the primary links, 'https://ttraff.ru/pify?keyword=architects+company+profile+pdf', is identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are part of this link farm.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=architects+company+profile+pdf In PDF document text
- http://files.palmbeachpipes.com/uploads/1/3/1/3/131380213/duvifaponoxejozoxa.pdfIn PDF document text
- http://files.purpleinkpublishing.com/uploads/1/3/1/4/131437844/mikofoxaxomojope.pdfIn PDF document text
- http://files.carolinefconway.com/uploads/1/3/1/3/131398076/sadezufawotuwo_dowabasamow_kivanaj.pdfIn PDF document text
- http://bipux.fabiansmagic.com/uploads/1/3/1/4/131438477/fenikudeki.pdfIn PDF document text
- http://files.encourage-fmhs.info/uploads/1/3/2/3/132303353/kawivakizudure_gopux_gepin_xezunubisemonu.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/1/0431/4356/1373/files/phonics_worksheets_for_first_grade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1481/4882/files/button_mushroom_project_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ridikesomuzumiburowafex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3957/1616/files/enigma_otiliei.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2262/2621/files/best_way_to_annotate_on_ipad_pro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9050/1020/files/batuan_sedimen_karbonat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/bodataweju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/vunowe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8679/1334/files/liwenel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7313/2957/files/the_worlds_hardest_game_unblocked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6467/1906/files/nick_offerman_american_ham.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1478/1085/files/damusafapulebiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3340/3285/files/34726726860.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3796/5979/files/79207949804.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_off00006573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6573 | 5484 bytes |
SHA-256: 27d7a0a3e877d05e18497ec0b658811654b72b5fe034542c21d9b3e0dad8ddff |
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font_01_sfnt_off000077f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77F9 | 9896 bytes |
SHA-256: ea56a82818511befda188bf21a20afaef72a5456058cf1ccd3f1f3fec7af4047 |
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