MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=bubbleupnp+server+apk'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the target URL and a reference to 'bubbleupnp server apk', suggesting a lure for a potentially unwanted download. The ML classifier also strongly flagged this PDF as malicious.
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=bubbleupnp+server+apk In PDF document text
- http://files.pemmensgolf.net/uploads/1/3/1/3/131379612/febokibilodirina.pdfIn PDF document text
- http://giwodevi.whittonprecision.com/uploads/1/3/1/4/131437064/832b13.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/1/0431/1498/7669/files/sexekosibapovivafoxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/chloroform_spray_use.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2920/7957/files/42666077046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4464/1695/files/muweliweketajomizutakaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7641/8720/files/achievement_motivation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1869/0458/files/b._ed_question_paper_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6305/8340/files/exercices_algorithme_les_boucles.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5453/0709/files/cbspd_gi_scope_study_guide_3rd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4513/3207/files/proving_parallel_lines_worksheet_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9065/6921/files/fepivagojelikefotate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/44973690678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3123/1637/files/27118814056.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005de1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE1 | 5128 bytes |
SHA-256: d727d863ce302fcae483857ca613f673e545e3ee9aaba58ab006e7d3db2de313 |
|||
font_01_sfnt_off00006f56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F56 | 6396 bytes |
SHA-256: bf494fae0aebb2049b3b703fd93192e14669f81cece4ae72ca4a3ffeea41cdcf |
|||
font_02_sfnt_off000085ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85CA | 10436 bytes |
SHA-256: 8d85a6528e615eb9fa4d6b8e0112c23a584b0cab975790a1328b238be8acbe03 |
|||
font_03_sfnt_off0000a9a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9A3 | 16148 bytes |
SHA-256: 371f4f5486839d6f666b63f4bc691dfaed9719b7755953d003289165be206b3d |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.