MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to Shopify domains but are likely part of a link farm to improve SEO for malicious content. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=hyperlynx+signal+integrity+tutorial+pdf'. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated and contains embedded URLs, suggesting an attempt to disguise malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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=hyperlynx+signal+integrity+tutorial+pdf
- http://files.newreach.com/uploads/1/3/0/8/130874317/416eacc5386200c.pdf
- http://files.therasmusbrasil.com/uploads/1/3/0/7/130740166/e11f096f3443a.pdf
- http://files.lapasd.com/uploads/1/3/2/6/132681916/3090628.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/4966/2117/files/twitter_videos_android_online.pdf
- https://cdn.shopify.com/s/files/1/0427/4877/2508/files/business_english_conversation_exercises.pdf
- https://cdn.shopify.com/s/files/1/0431/3802/3592/files/jogogepes.pdf
- https://cdn.shopify.com/s/files/1/0430/1901/0201/files/book_review_format_apa.pdf
- https://cdn.shopify.com/s/files/1/0437/7224/8215/files/poe_speed_leveling_guide_3._7.pdf
- https://cdn.shopify.com/s/files/1/0433/3545/0774/files/fagunubofufumed.pdf
- https://cdn.shopify.com/s/files/1/0428/2525/3023/files/vowusunokuxe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rowogumidakedodovejizana.pdf
- https://cdn.shopify.com/s/files/1/0434/7723/7913/files/maximum_strength_workout.pdf
- https://cdn.shopify.com/s/files/1/0429/5095/1066/files/fafixoxivefubafa.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/duvogoz.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005fe9.bin38a33ccaad81f518555d302da557e5e34b452e83516cb93e26100ca5d0b44350 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FE9 | 5340 bytes |
font_01_sfnt_off00007228.binba91cdb214338f19acd9eb15514690b114a39ca73530776769a6f6b91d35f1d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7228 | 10616 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.