MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous links, including a critical redirector link to 'https://ttraff.ru/pify?keyword=arduino+starter+manual+pdf', which is part of a link farm designed to lure users into downloading other PDFs. The document body, though heavily obfuscated, contains references to 'Arduino starter manual pdf' and embedded URLs, suggesting a phishing or malware distribution scheme. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
-
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.
-
PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
-
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=arduino+starter+manual+pdf In PDF document text
- http://bixox.carriagehousepilatesandwellness.com/uploads/1/3/1/3/131383791/aaaa9a31.pdfIn PDF document text
- http://files.josezayasdirector.com/uploads/1/3/2/7/132712120/3529890.pdfIn PDF document text
- http://files.redbackbjj.com.au/uploads/1/3/2/6/132682787/d1611729a76a4.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/1/0433/5730/7039/files/cemu_games_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/77330784460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1995/2550/files/jizuve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3865/2054/files/tabs_open_alpha.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6457/3593/files/zedijuxobofuzebefexube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6333/5319/files/xemuropizar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5335/9005/files/zelefarosaga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4281/5643/files/bewibirijovitajali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/potiwabuvufepatene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8541/4056/files/atmel_atmega32_datasheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1172/6750/files/rojagupazulavusew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4735/2480/files/lujatiresozanaferiwegado.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_off00006104.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6104 | 5176 bytes |
SHA-256: f72436facadf13f3281b52160f10c8f1e974ee7472edd4782b09f9024bf32304 |
|||
font_01_sfnt_off0000728b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x728B | 10480 bytes |
SHA-256: 9a15d311ec3a93a1b4e3373a741be1ff7deba6bbe3a5649e8c6842c8a9058710 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.