MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=asma+ocupacional+pdf'. Another critical heuristic identified a large number of external PDF links, suggesting a link farm for SEO manipulation or to obscure malicious destinations. The document body contains garbled text but includes the malicious URL and several Shopify-hosted PDF links, one of which is identified as the entry point for the link farm. The ML classifier strongly flagged this PDF as malicious.
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=asma+ocupacional+pdf In PDF document text
- http://files.robkajiwara.com/uploads/1/3/1/4/131407227/6068525.pdfIn PDF document text
- http://files.bible-truths.org/uploads/1/3/0/7/130738991/lopedafezaled_karerimo_vozubif.pdfIn PDF document text
- http://files.auchterandgood.com/uploads/1/3/0/7/130740256/befuropelufo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ziduvawijixivobufanevi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1175/1579/files/arithmetic_sequence_problems_with_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8385/7053/files/92547941538.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5797/1362/files/9932652801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1174/3639/files/calculus_single_variable_6th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5011/4965/files/difference_between_validity_and_reliability_in_research.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5727/4270/files/mukopunoken.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6808/7711/files/29317902894.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9315/5235/files/27160914901.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2449/8333/files/fubozogopitixewigisemeter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4682/5110/files/net_core_somaxconn.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8929/7568/files/77654421744.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6992/1690/files/toleboxib.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_off000066ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66BA | 4876 bytes |
SHA-256: 260e626279bd3d987a0162e15936fc7cb9bd74191918c83b601d7fcd282ee7b1 |
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font_01_sfnt_off00007725.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7725 | 10460 bytes |
SHA-256: 4f3e4fe749cfc7bba918cdc12dd030adf6629b6e8d8d19dcb3e25a64fea2372f |
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font_02_sfnt_off00009b0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B0E | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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font_03_sfnt_off0000b03c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB03C | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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