MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to suspicious domains and are indicative of a link farm or redirector strategy. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a URL leading to known malicious infrastructure. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, appears to be a lure related to academic writing resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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/wb?keyword=writing%20academic%20english%204th%20pdf In PDF document text
- http://files.davidgovertsen.com/uploads/1/3/1/3/131380467/ea9fb2ad016.pdfIn PDF document text
- http://files.haralsoncountyhistory.com/uploads/1/3/2/3/132302913/4438840.pdfIn PDF document text
- http://files.mrjcostello.com/uploads/1/3/2/7/132711983/6610048.pdfIn PDF document text
- http://files.johnguillory.com/uploads/1/3/1/0/131070291/kagak_xozoxagiparo_ligabolurodume.pdfIn PDF document text
- http://files.greatgrace4u.com/uploads/1/3/1/4/131483685/5ebff999f3d38.pdfIn PDF document text
- http://files.truebluefishing.co.uk/uploads/1/3/0/9/130969270/9116c8462e64.pdfIn PDF document text
- http://files.americasschoonercup.com/uploads/1/3/0/9/130969404/8255926.pdfIn PDF document text
- http://files.didsburyjuniors.com/uploads/1/3/2/6/132681824/maxipupamekep.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zumoxagi.files.wordpress.com/2020/06/26325832125.pdfIn PDF document text
- https://gelepulag632881419.files.wordpress.com/2020/06/59593383950.pdfIn PDF document text
- https://karudike.files.wordpress.com/2020/07/23996818841.pdfIn PDF document text
- https://momudun.files.wordpress.com/2020/07/23438061125.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4947/6518/files/kidozijefosesivazepuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0921/9492/files/2693473837.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/42576635151.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3070/8375/files/18201044424.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3021/6855/files/82297799188.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4365/1735/files/25737704982.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5268/6742/files/61295457652.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5293/3019/files/kesem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3153/5524/files/87033029494.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_off0000ccc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCC9 | 5348 bytes |
SHA-256: 97a5d388298f4be01e681f174e03297a826fca8fc99685b55fe73f9e2345f29c |
|||
font_01_sfnt_off0000ded2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDED2 | 12220 bytes |
SHA-256: 98ea58cd7141cfa740ee9dec9b28ed39ba2815ddbce2322f47639f59bbf056fd |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.