MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious intent, including malformed streams and links to known malicious redirectors. The document body and embedded links suggest a lure for free downloads, which is a common phishing tactic. The presence of numerous external links, many pointing to Shopify domains but one to a known malicious redirector, indicates an attempt to distribute further malicious content or phish credentials.
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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.com/pify?keyword=baby+background+photoshop+templates In PDF document text
- http://wuzukito.beautifulfeetentertainment.com/uploads/1/3/2/6/132695535/9985784.pdfIn PDF document text
- http://kuzifed.inspirationstudiosgallery.com/uploads/1/3/2/6/132695569/mewibofafeto.pdfIn PDF document text
- http://files.anabellegrigorescu.com/uploads/1/3/1/3/131384636/eb75e43224587.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/1/0447/9077/5965/files/slope_stability_solved_problems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9215/5293/files/gudigi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9377/8837/files/wanekilipevak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6542/5570/files/pebupuxenenezu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3917/0466/files/58236807639.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6300/0734/files/temisokaveve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/alphabet_letters_images.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0532/0088/files/gezesujasibek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6318/1463/files/61578871091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4188/0224/files/data_analysis_and_graphics_using_r.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4245/5197/files/small_scale_livestock_farming.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/4234/3833/files/guia_lonely_planet_russia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5048/3368/files/kagesifegubugexoluvoba.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_off00004444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4444 | 5840 bytes |
SHA-256: 30962098db380d603c7bfeab3004ca85b1509a029c9aa3cde73b22b3b3d6129f |
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font_01_sfnt_off000057f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57F9 | 8400 bytes |
SHA-256: 4ffa40fc652ab57bb7974f874cd8d9507d38e615e6052a480ddfbddfdf351994 |
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