MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to redirector domains and link farms, indicating a phishing or scam attempt. The primary redirector URL is `https://ggtraff.ru/strik?keyword=respiratory+system+diagram+worksheet+answers`, which is designed to lead users to potentially malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm suggests an effort to distribute malicious content widely.
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://ggtraff.ru/strik?keyword=respiratory+system+diagram+worksheet+answers In PDF document text
- https://numuluga.weebly.com/uploads/1/3/4/3/134307024/8239232.pdfIn PDF document text
- https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/ritelaje-xaxokan-nedanofofupumor-rivibutijika.pdfIn PDF document text
- https://tupuzenetuz.weebly.com/uploads/1/3/4/5/134519332/tajiba.pdfIn PDF document text
- https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/2eb1d29d73.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/ea8b5889-c63c-416d-8378-589af3a49096/fukusose.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a21e9bb-3b55-4316-a844-48f4975ef34f/81224219118.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d8e6911-e36b-47a8-b1f2-ce2d48061be7/12526532794.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f022dbf3-b077-4a2a-8a73-fc79cf8fbf04/berkeley_physics_course.pdfIn PDF document text
- https://s3.amazonaws.com/bejokazemur/annotate_windows_open_source.pdfIn PDF document text
- https://s3.amazonaws.com/susopuzupure/17525620750.pdfIn PDF document text
- https://s3.amazonaws.com/vatosolikijike/california_achievement_test_practice_free.pdfIn PDF document text
- https://s3.amazonaws.com/tanikanaw/datasheet_fail._com.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0497/8868/2401/files/verbs_that_start_with_s_in_spanish.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8795/4073/files/android_chat_application_using_php_mysql_github.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/8013/1759/files/no_se_iluda_no_resenha.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0266/9510/6750/files/36585156287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6949/5713/files/77449015110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0501/5112/9278/files/shortcut_keys_for_after_effects_cs6.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0502/1155/3473/files/75000767439.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4819/8556/files/tomaka.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_off0000681e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x681E | 5604 bytes |
SHA-256: 073a78db0ee3d5eca913395adaa098f783d4dc8e9a0a9b2cdddd60cba844d02b |
|||
font_01_sfnt_off00007b29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B29 | 11212 bytes |
SHA-256: 2221ca13dc5a7c83055ddecab3f59ef593154c3db18e50c1893db6b59e878c46 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.