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 for a malicious redirector. The document body text, though partially corrupted, includes the phrase 'Embryology pdf notes' and a URL that appears to be the primary lure. The PDF also exhibits characteristics of a link farm, with many Shopify-hosted PDF links, suggesting an attempt to manipulate search engine results or distribute content broadly. The primary malicious IOC is the redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
-
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.
-
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.
-
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.
-
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.
-
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=embryology+pdf+notes In PDF document text
- http://files.thegutguys.com/uploads/1/3/1/3/131380754/lenun_vefozuvetuw.pdfIn PDF document text
- http://getasel.officesonthego.com/uploads/1/3/0/7/130775350/xubajubabikis-kujur-wukusotovivezor.pdfIn PDF document text
- http://files.northeastohiodukes.com/uploads/1/3/0/8/130874278/watuzife_wajemikanolibo_masipe_kuwemisamaxulam.pdfIn PDF document text
- http://files.erinhinerart.com/uploads/1/3/2/7/132740595/timuregazonumexo.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/1/0429/0514/1411/files/likafisivunekuramaniluwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3510/6207/files/pefowagibap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7861/5189/files/vebakowibefos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9308/2783/files/zerigobopokivuzaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1076/6486/files/bioremediation_of_soil_through_multipurpose_tree_species.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9925/1097/files/converter_software_free_download_pdf_to_word.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/92299784323.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8684/7905/files/daguxatetizejufitupuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3133/0969/files/mudepad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9816/8727/files/haematology_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1972/2152/files/john_deere_x530_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9375/2997/files/news_reporting_and_writing_missouri_group.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5112/2842/files/xirijidesepugeku.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
🗂 Part of campaign:
thegutguys.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006568.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6568 | 5352 bytes |
SHA-256: 78c44c561cfd2cd90d3f9a17673985441e09c8189fdfa2cf78a79fe53c62ea40 |
|||
font_01_sfnt_off0000778a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x778A | 9004 bytes |
SHA-256: eeed974490aac85ea4437d3f177850bc9d695b74274bc4c656536fa2c5703bca |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.