MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link to 'ttraff.cc', which is flagged as a malicious redirector. The document body also contains the same URL and text related to downloading Twitter videos to an iPhone, indicating a social engineering lure. The presence of a large number of external PDF links, many pointing to static.usrfiles.com, suggests a link farm used for SEO poisoning or distributing further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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.
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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.
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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.
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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.cc/pify?keyword=twitter+video+to+iphone+gallery
- https://static.usrfiles.com/ugd/b8c837_709ba223626e4587b9862a591c30896b.pdf
- https://static.usrfiles.com/ugd/b8c837_41ce40455aa4495d8fbe82d0d08190ec.pdf
- https://static.usrfiles.com/ugd/5b604d_48d865f36ffa4083aa669a0b84690c1d.pdf
- https://static.usrfiles.com/ugd/b8c837_6eed2c5a91d44e8e9499a91278564030.pdf
- https://static.usrfiles.com/ugd/b8c837_4afe074db90c414882ada8697861c3ba.pdf
- https://cdn.shopify.com/s/files/1/0435/1872/2207/files/legogusilurubexe.pdf
- https://static.usrfiles.com/ugd/e3ed1f_bd15647168824492bcd3d31d89ddd54b.pdf
- https://static.usrfiles.com/ugd/0d089b_636ea5a0274342008f3ee941ddbb151d.pdf
- https://static.usrfiles.com/ugd/b8c837_70961a14e05f4d12a2d9443d7faf2da3.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45397061855.pdf
- https://cdn.shopify.com/s/files/1/0431/7216/7841/files/57187507890.pdf
- https://cdn.shopify.com/s/files/1/0434/5869/1232/files/article_review_format_sample.pdf
- https://cdn.shopify.com/s/files/1/0429/7211/9193/files/commercial_lawn_care_contract.pdf
- https://cdn.shopify.com/s/files/1/0427/4143/2487/files/xinidagikadugunakabi.pdf
- https://twitter.com/PassengersMovie/status/821025484150423557
- 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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063a8.binbdbd5ffe5fc73c1838aabf0e4ed02a459a2c3a30cd02b2f48d07d5c1ce707610 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63A8 | 5248 bytes |
font_01_sfnt_off0000759e.bin3906ac637589409c18880886e4bf8703e87cc4a70798131e0af566e7a2cf1854 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759E | 10536 bytes |
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