MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains a URL that points to a known malicious redirector, which is likely intended to lure users to a malicious site. The presence of numerous other links, many hosted on Shopify, suggests a coordinated effort to distribute malicious content or phish users.
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=beethoven+9+sinfonia In PDF document text
- http://files.felicitystevens.com/uploads/1/3/0/8/130874587/6146981.pdfIn PDF document text
- http://wusugewa.stopplervirtualcommunications.com/uploads/1/3/2/6/132682076/kurav.pdfIn PDF document text
- http://files.mareda.org/uploads/1/3/1/1/131163867/5747792.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/1/0431/4074/3330/files/saxikire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5536/6822/files/bruner_theory_of_cognitive_development.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6073/1808/files/simple_gifts_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8932/9312/files/google_account_manager_for_android_9.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/2878/7879/files/alimentos_ricos_en_potasio_fisterra.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5693/9676/files/synthesis_of_benzopyrylium_salts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4659/1903/files/pafubigazabonolamekizosab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7595/9973/files/grilled_chicken_recipes_in_malayalam_language.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0484/5465/files/82693941208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3988/1373/files/87179261237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5192/5155/files/xesebosunulup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5097/5910/files/underlord_dota_2_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0785/1171/files/26470921962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8153/9489/files/giorno_theme_piano_sheet_music_easy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0923/6374/files/5127283394.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD6 | 5600 bytes |
SHA-256: f3f3eee721388c1f17932830719572cd9ce601fbf835e8bf3d011db1a04180cb |
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font_01_sfnt_off00010367.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10367 | 4992 bytes |
SHA-256: 999c464418486b4daec40beb051b27f31f23acd0a0955e2afb12dfe8b34d2adf |
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font_02_sfnt_off0001146e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1146E | 11744 bytes |
SHA-256: 7506668189dea456d49babd30f0916c41c7bb9b143437f7e80a058da88fc402e |
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font_03_sfnt_off00013c3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C3F | 18080 bytes |
SHA-256: 87c945622487e46a52a4fb473e0668a3c5fe16f2f83f4f59ee49336f73c8630a |
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