MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
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=actemra+bula+profissional+pdf', is designed to lure users into clicking it. The PDF also hosts a large number of external links, many pointing to Shopify, suggesting a link farm or distribution method. The ML classifier strongly indicates 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=actemra+bula+profissional+pdf In PDF document text
- http://files.equipasia.net/uploads/1/3/2/6/132681758/6098381.pdfIn PDF document text
- http://files.sageswisetraveltalk.com/uploads/1/3/1/3/131379639/wujegokirujo-fafolipibatupa-kigikoguk.pdfIn PDF document text
- http://files.crownoftexasarabianhorseclub.com/uploads/1/3/0/7/130740165/kavijegapal-finidelin.pdfIn PDF document text
- http://files.awavearoundtheworld.com/uploads/1/3/1/4/131407547/kiwukut.pdfIn PDF document text
- http://files.hannahrasch.com/uploads/1/3/2/7/132741476/puzibunefezupojeji.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/1/0429/7841/0655/files/sekuwesapipebupako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gadawatozuwagujezudoru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwizesovipijekugufex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6041/0021/files/gipifarizogipixezezoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8632/2600/files/danumuzixadarix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8900/2653/files/mozomujedakipigane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3425/5258/files/korelesedokarifo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/4412/3303/files/medical_biochemistry_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4937/6161/files/kuvatatogetononojagu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6577/6030/files/kegogutobosivewizired.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2329/3864/files/66135477569.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7075/7791/files/borg_scale_copd.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/zitil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8557/5832/files/91006681242.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_off00015328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15328 | 5432 bytes |
SHA-256: 4b556cf4ad91b1b65a6f4226e70349f53190f0ba512ee25fa8c3d7ceb6fec3ab |
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font_01_sfnt_off00016583.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16583 | 17116 bytes |
SHA-256: ca7c415b80360a4bda918ed8a3564206bbc6e68f691103c6d89dc751e2f8eeb4 |
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