MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=adobe+pdf+browser+add+on+internet+explorer%2529', is designed to trick users into downloading further malware by impersonating a necessary browser update. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm used for SEO poisoning or distributing malicious content. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=adobe+pdf+browser+add+on+internet+explorer%2529 In PDF document text
- http://wuremagi.waylonaussies.com/uploads/1/3/1/4/131454065/f9eabb06.pdfIn PDF document text
- http://files.godorabsurdity.com/uploads/1/3/0/7/130740391/giradam_lazemalowa_rafukada_mamigovar.pdfIn PDF document text
- http://files.carolinemiekinaillustration.com/uploads/1/3/1/1/131164081/6229087.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/1/0430/9365/5716/files/62614850587.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0290/4222/files/15841425870.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53635556436.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2222/9397/files/36373808046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4976/2459/files/change_to_word_on_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2041/1289/files/78564903674.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/aghora_1_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1474/1413/files/punijud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8733/1481/files/support_vector_machine_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7661/6341/files/26670687675.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3364/7525/files/calendario_serie_a_completo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0532/8034/files/jedujajadori.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8044/0213/files/local_anesthesia_composition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7730/4481/files/wunowiripafegoda.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_off00006758.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6758 | 5400 bytes |
SHA-256: 1a355e49963d16df91638c99e1aaceb5e2a477ea99e508ffe2b0157b25174c50 |
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font_01_sfnt_off000079dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79DC | 10812 bytes |
SHA-256: 44cc085464a9e191003d5037ca23fa47c44315229176fefcb4017ae7f88ba676 |
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