MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body text, though partially corrupted, includes the phrase 'Rugby world cup 2020 wall chart pdf uk', suggesting a lure to entice users to click the malicious link. The ML classifier strongly flagged this PDF as malicious.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.cc/pify?keyword=rugby+world+cup+2020+wall+chart+pdf+uk In PDF document text
- http://pebadu.onefutureatatime.com/uploads/1/3/1/3/131380600/nobuwupesebo.pdfIn PDF document text
- http://files.ashlandcitizensactioncommittee.org/uploads/1/3/0/7/130776104/perexajeso.pdfIn PDF document text
- http://files.jmcillustration.com/uploads/1/3/1/3/131384113/putiwog_xajurolepavufur_renosisemu_xusarulig.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/1/0430/4368/4503/files/wavevexeluf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4204/5090/files/weather_underground_syracuse_ny.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9726/7112/files/big_green_egg_cookbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2898/7547/files/67239308932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6251/8182/files/66168431746.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5374/4279/files/79368571967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1715/0368/files/zebuxovezinilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3772/0733/files/foxodud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6248/5407/files/79142516730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3353/4357/files/cvc_words_printable_flash_cards.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9281/1669/files/waxoguxudukamutuwazilumas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0124/2022/files/bakepuzatiwilagofazire.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_off00005af9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AF9 | 5916 bytes |
SHA-256: 06b1435acc52dc62c1602548c6c5455701ee5e5a39c1ea3c399e6c3a19df4d54 |
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font_01_sfnt_off00006f3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F3B | 10080 bytes |
SHA-256: 855ef6cc4f444e44115ef02f1eaa5d415e4592c9738424dc0b6429a8d9f5386c |
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